Surgery
Surgery
Breast 24
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Gastrointestinal Surgery : Part 2 81
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Gastrointestinal Surgery : Part 3 96
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Hepatobiliary and Minimally Invasive Surgery 111
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Definitions :
• Daycare/Same-day surgery : Admitted + discharged within 12 hours.
• Overnight stay : 23-hour admission + early morning discharge.
• Short stay surgery : Admission up to 72 hours.
Selection Criteria :
Medical Social Surgical
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• Availability of responsible
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• Physiological > Chronological age.
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adult carer for 1st 24 hrs. Operations up to 2 hrs :
• ASA status > 2 : Careful review
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• Suitable home conditions. Recognized as day care
(Involve anaesthetist). 7@
• Ability to contact hospital in surgeries.
• BMI < 40 : Surgery not C/I.
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an emergency.
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Eligibility based on ASA grade 1 and 2 : Stand alone day care unit.
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Other criteria :
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ERAS PROTOCOL
ERAS : Enhanced Recovery After Surgery.
Preoperative Intra-operative Post-operative
• Counselling.
• Use NSAIDs, avoid opioids.
• Avoid mechanical bowel • Surgical approach :
• Within 24 hours :
preparation (D/t fluid + Minimally invasive.
- Discontinue IV fluids.
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electrolyte imbalance). • Bupivacaine infiltration.
- Start with liquids f/b
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• Permitted to take prior to Sx : • Keep patient warm.
regular diet.
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a. Solids up to 6 hours. • Nausea + vomiting
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- Ambulate.
b. Clear carbohydrate rich prophylaxis. (At least 2
liquids up to 2 hours.
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classes of medications).
• Avoid drains./Plan early
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removal.
(Carbohydrate loading).
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IV Cannulas :
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Colour-coding :
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Maximal Flow
Color Gauge
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Rate (mL/min)
©
Yellow 24G 13
Blue 22G 30
Pink 20G 67
Green 18G 96
Gray 16G 240
Orange 14G 270
IV cannulas
• Violet : 26G.
• White : 17G. Swelling
Superficial thrombophlebitis :
• M/c complication of cannula insertion.
• Presentation : Cord-like tender swelling at the
site and takes few weeks to resolve.
• Mx : Topical heparinoids (Thrombophobe).
Superficial thrombophlebitis
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Protective zone
protective zone to aseptic zone)
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• Change rooms
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• Transfer bay • Equipment store room
• Pre & post op rooms • Maintenance workshop 7@
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• ICU/ PACU
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• OT • Waste disposal
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OT Positions :
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Foot
end : ↑
2. Trendelenburg Pelvic surgeries.
Head
end : ↓
Foot
3. Reverse Upper abdominal surgeries. Head end : ↓
Trendelenburg (E.g : Laparoscopic cholecystectomy) end : ↑
• Obstetric, gynaecological,
urological procedures.
4. Lithotomy
• Common peroneal nerve injury :
If legs not properly supported.
• Thoracotomy, kidney
surgeries. (Eg : Nephrectomy)
5. Lateral/kidney position
• Brachial plexus injury due to
hyperextension of arms.
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- Bloodless field.
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• Disadvantage : ↑Risk of air
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embolism.
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Not preferred
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8. Jack-knife
(D/t positional asphyxia)
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Note :
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Air embolism :
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• Clinical scenarios :
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SURGICAL BLADES
Surgical blades Uses
• Incision and drainage
No. 11 (Pointed/stab blade)
• Arteriotomy
No. 12 (Curved blade) Suture removal
No. 10, 15, 20, 21, 22, 23
Making incisions
(Blades with a belly) Surgical blades No. 11 blade
Surgery Revision • v4.1 • Marrow 8.0 • 2025
General Surgery : Part 1 5
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ENERGY SOURCES Langers line
Monopolar v/s Bipolar Cautery : 7@
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Flow of current :
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(To cut/
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coagulate)
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Cautery pad :
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Buttons
Cautery pad
Yellow : Cut
Blue : Coagulate
Other modes :
Peak voltage
Average
voltage
Blend mode Fulguration mode
Harmonic Scalpel :
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• Working principle :
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- Ultrasonic, coagulation without heat production.
7@
- Oscillatory blade (20,000–50,000 Hz oscillation).
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• Advantage :
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- Precise cut.
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DRAINS
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Drains Significance
• Used in abscess cavities.
Corrugated • Rarely used.
Open drain
rubber drain • Disadvantage : Pus drains out,
soaks dressing.
Closed drains
Bulb
• Works on negative pressure.
Jackson Pratt
• Flat tubing and a bulb instead
drain
of a bag.
Flat tube
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Connected to chest tubes. (End of
Under water
seal bag
tube is submerged under water : 7@
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Prevents air getting sucked in.)
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a. Square/Reef knot :
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B
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Superficial
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Deep A Same
7@ depth
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c. Subcuticular sutures :
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• Cosmetically better.
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Uses :
• Rectal prolapse surgery (Thiersch wiring).
• Cervical encerclage in cervical incompetence.
• Bury appendicular stump.
Numbering of Sutures :
• No. 1 suture Thickest,
No. 11-0 Finest suture (Suture becomes finer : Number ↑ + zero added
after number.)
• Thick suture : Easier to handle.
• Finer suture : Difficult to handle (Break/fractures more common).
Types of Sutures :
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Absorbable sutures Non-absorbable sutures
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Natural Synthetic Natural Synthetic
a. Monocryl (Poliglecaprone) :
7@ a. Prolene (Polypropelene
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Uses :
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• Subcuticular suturing
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• Braided suture.
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• ↑Infection rate.
(21-28 days). (3-0/cutting). (RB needle) :
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• Absorption (Hydrolysis) :
• Absorption time • Fix drains
©
- 2-0 : Aorta.
60-90 days.
(By enzymatic (No. 1/cutting) - 4-0 : Femoral.
• Uses : Bowel, bladder
degradation) : • Bowel - 6-0 : Popliteal.
and CBD.
90 days. anastomosis • Mesh (Hernia repair).
• Chromic catgut (3-0/RB).
(With chromic salt
coating) : c. PDS (Polydioxanone) : b. Nylon/Ethilon :
No role in Sx. • Absorption time : • Monofilaments.
180 days. • Uses : Skin , fixing drains,
• Monofilament suture. nerve & tendon repair.
• Same use as vicryl.
• Natural sutures (Overall) : More tissue reaction/inflammation.
• Synthetic non-absorbable sutures :
a. Polyester : Tendon repair.
b. Steel sutures : Sternotomy wound closure (Post CABG).
Bowel Anastomosis :
• Strongest layer in bowel anastomosis : Submucosa.
• Inverted edges suturing.
• 3 methods Single layer extra-mucosal
Two layer Similar results.
Using staplers
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Outer suture
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(Non-absorbable) :
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Seromuscular layer.
7@ Inner suture
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(Absorbable) :
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All layers.
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Surgical Staplers :
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Staplers Uses
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• Bowel anastomosis
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• Hemorrhoidopexy
Circular • Low anterior resection (LAR)
for rectal cancer surgery
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SSI
• Scoring systems :
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ASEPSIS Score Southampton wound score
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ASEPSIS : 7@
• Additional treatment •
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O : Normal healing
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DVT Prophylaxis :
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No numbering
Numbering +
Burst Abdomen :
Rectus sheath wound opens up : Bowel exposed out.
C/f : Salmon fluid sign/Serous fluid sign (Large quantity
of clear fluid oozes out of the wound).
Mx :
• In emergency : Urobag or bogota bag laparostomy.
• Definitive : Rectus sheath resuturing. Burst abdomen Urobag laparostomy
Surgery Revision • v4.1 • Marrow 8.0 • 2025
12 Surgery
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pouch.
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Presentation :
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• Fever + chills and rigors. 7@
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Pelvic abscess
(Repeated episodes of loose stools + mucus).
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IOC : CECT.
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Pigtail catheter
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Wounds 00:49:40
Percentage of SSI
Types of With Without
Examples
wound antibiotic antibiotic
prophylaxis prophylaxis
Clean incised wound : 1-2%
• Thyroid surgery. • Knee replacement. No role of prophylactic
Clean wound • Breast surgery. • Uncomplicated inguinal
antibiotic in clean wound except
• CABG. hernia surgery. when implant or mesh is placed.
GI/GU system but there is no inflammation :
• Elective/interval cholecystectomy.
Clean • Elective appendectomy.
contaminated • Urinary stone removal when no UTI. 3% 6-9%
wounds • LSCS.
• Laparoscopic abdominal hysterectomy.
• Bowel surgery, if the bowel is prepared.
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• Any neglected traumatic wound > 6 hours
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Note :
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Elective OT list : Clean cases (Eg : Implant insertion) posted first.
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a. Hand hygiene :
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• Steps :
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“2 Before” : “3 After” :
1. Before touching a patient. 3. After body fluid exposure risk.
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2. Before clean/aseptic procedure. 4. After touching a patient.
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5. After touching patient’s surroundings.
• Soap and water/sanitizer should be used. 7@
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b. Parts preparation :
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Hair clipper :
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Nutrition Assessment :
• No single reliable biochemical marker to identify malnutrition.
• Indicator of poor prognosis : Unintentional weight loss of >10% in 3 months.
• Indicator of poor outcome : Low albumin, BMI <15.
Fat : Skin fold thickness.
• Assessment
Muscle mass : Mid arm circumference.
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Malnutrition Universal Screening Tool (MUST) :
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BMI + Weight loss + Acute disease = Overall risk of
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score score effect score malnutrition.
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Types :
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• Enteral (Oral/gut).
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• Better method.
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- More physiological.
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Purse string Tunnel
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Stab suture
incision 7@
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Method of insertion :
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PEG set
3. Radiologically Inserted Gastrostomy (RIG) : Done when endoscopy is not possible.
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• Acute severe pancreatitis (Initial phase only).
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Fecal fistula
Central Line :
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Subclavian vein 7@Internal jugular vein Femoral vein
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Post-insertion : Chest x-ray (Look for central line tip & rule out pneumothorax).
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• Arrhythmias. • Excess weight gain.
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• Thrombosis. • Cholestasis (Withhold TPN).
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• Air embolism. • Micronutrient deficiency
• Migration. 7@ (M/c : Zinc deficiency).
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Peripheral line.
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Central line.
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Refeeding syndrome :
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• Metabolic derangements in fecal fistula : Fluid + electrolyte imbalance.
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• Maximum in pancreatic and biliary fistula Opening Duodenum.
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in
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Types of hemorrhage :
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Sites :
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• Neck.
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• Thorax.
• Abdomen.
• Pelvis.
• Long bones.
Hemorrhage in surgery :
Primary Reactionary Secondary
Duration During Sx Within 24 hours. After 7-14 days.
Clot dislodgment or Sloughing of wall.
Reason
knot slippage. (D/t infection.)
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IV crystalloids +
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Oral Massive blood
Management IV crystalloids colloids
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liquids transfusion
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(3 : 1 ratio)
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Management of Hypovolemic Shock :
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PR
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↓↓ ↑
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SBP ↑↑ ↓
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JVP ↑↑ ↓
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Response Sustained Reversed in 15-20 mins d/t ongoing loss Ongoing loss
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Hemorrhage resuscitation :
Responders Prioritise Perfusion targeted resuscitation.
- perfusion
Ongoing losses
+ Prioritise Damage control resuscitation.
Transient/ coagulation
non-responders
Indicators :
• Determining amount of fluid requirement in shock.
PCWP CVP
• Pulmonary Capillary Wedge Pressure. • Central Venous Pressure.
• Measures left heart pressure. • Measures rt. heart pressure.
• Best indicator, more accurate. • M/c used indicator.
• Best clinical indicator of adequate fluid resuscitation in shock : Urine output.
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Massive Blood Transfusion :
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Definitions :
• Replacement of entire circulating volume in 24 hours. 7@
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Complications :
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• Hypothermia.
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• Metabolic alkalosis.
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• Hypomagnesemia.
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Septic
Hypovolemic Cardiogenic Neurogenic Anaphylactic
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Warm Cold
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PR ↑ ↑/↓ ↓ ↑ ↑ ↑/↓
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CO ↓ ↓ ↓ ↓ ↑ ↓
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SBP ↓ ↓ ↓ ↓ ↑ ↓
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PVR ↑ ↑ ↓ ↓ ↓ ↑
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N
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JVP ↓ ↑ ↓ ↓ ↑
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Acidosis ↑
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Mismatched
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blood Heart
Class III failure (MI, transection Hyperdynamic
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arrhythmia) system)
(↑Histamine)
Note : MVOS.
• Percentage of oxygen that returns to the heart after being utilized in the
body.
• Only ↑ in warm septic shock/distributive shock.
Terminologies :
Definition & criteria
2 or more of the following criteria :
Systemic Inflammatory
• Temperature >38°C or <36°C.
Response Syndrome (SIRS)
• Heart rate >90 beats/min.
(Mediated by IL-1, IL-6,
• Respiratory rate >20 breaths/min or PaCO2 <32 torr (<4.3 kPa).
TNF-α)
• WBC >12000 cells/mm3, <4000 cells/mm3, or >10% immature forms.
Sepsis SIRS + known foci of infection.
Septic shock Sepsis leading to hypotension not responding to fluids.
MODS (Multiple Organ
Failure of ≥2 organ systems.
Dysfunction Syndrome)
Quick Sequential Organ Failure Sepsis (New definition) :
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Assessment Score (qSOFA) : SOFA Score ≥2 + known foci of infection.
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7@
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Clinical Signs :
Dimpling Retraction Peau d’orange (PDO)
Structure Superficial (Subdermal)
Ligaments of Cooper Lactiferous ducts
involved lymphatics
Skin involvement
- - + (T4b disease)
in breast cancer
• Circumferential :
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Seen in inflammatory
Other features - Malignancy
breast cancer
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• Slit-like : Duct ectasia
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Images
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Triple Assessment :
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Breast Imaging Reporting and Data Systems (BIRADS) : ----- Active space -----
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ASBRS Breast Cancer Screening Guidelines :
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Category Screening guideline
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Annual screening mammography
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Average risk of breast cancer
from 40 years of age
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Higher than
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Annual 3D mammography/
(By Gail, BRCA pro model) >20%
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MRI at 35 years
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Mammograph :
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2 views :
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Intracapsular breast implant rupture
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Biopsy techniques :
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Incisional biopsy
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Risk Factors :
• ↑Age. • Family history.
• Early menarche, late menopause. • Hormone replacement therapy
• Nulliparity. (Estrogen + progesterone).
• Smoking. • Maternal age at first live birth :
• Obesity, alcohol. >30 yrs.
Note :
Smoking is associated with : Factors ↓ breast cancer risk
• Breast cancer. • Breastfeeding (For 1 year).
• Duct ectasia. • Maternal age at first live birth <20 years.
• Mondor’s disease.
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For all patients :
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• Deleterious BRCA 1/2 gene mutation in a blood relative.
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• History of ovarian, fallopian tube and/or 1° peritoneal cancer.
Patients with breast cancer :
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Immunohistochemistry (IHC) :
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• Result:
- 0, 1+ : - .
Amplified : +
- 2+ : Equivocal FISH
Non-amplified : -
- 3+ : + .
3. Ki-67 : Proliferation index marker (Cell multiplication).
Molecular Subtypes :
Based on gene
ER PR Her 2 Ki-67 CK 5/6
expression profiling. Luminal A + + - Low -
+ + - High -
Luminal B
+ + + Any -
Her 2 enriched - - + Any -
Basal like (TNBC) - - - Any +
Unclassified/Claudin-low - - - Any -
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Tis Cancer in situ (DCIS, Paget’s disease) N0 No Regional node metastasis
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T1 ≤2 cm N1 Mobile I/L axillary LN
T2 >2cm-5cm 7@ N2a Fixed I/L axillary LN
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T4a
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M staging
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M1 Distant metastasis
Metastasis :
• M/C site : Bones Lumbar vertebrae (M/C) d/t Batson’s plexus.
• Bony metastasis : Osteolytic > osteoblastic.
Note :
Lobular carcinoma insitu (LCIS) : No longer an insitu cancer.
SURGERY
Breast Conservative Surgery (BCS)/Lumpectomy :
Tumour removal With 1 mm margin.
F/b mandatory radiotherapy (D/t ↑local recurrence rate).
Round block technique Volume replacement with Latissimus dorsi (LD) flap
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C/I for Radiotherapy (RT) Technical C/I
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• Multicentric
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• Pregnancy
• Lobular cancer (If multicentric)
• Prior RT to chest wall
• Large tumour : breast ratio 7@
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• Collagen vascular disease
• Locally advanced breast cancer (LABC)
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Mastectomy :
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Structures removed :
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Retracted : Cut :
Auchincloss (M/C) Scanlon, Patey
Axillary LN Clearance :
Minimum LN removed : 10.
Nerves saved during Sx Key :
• Medial pectoral nerve (Laterally located) • S : Superior
• Lateral pectoral nerve (Medially located) • L : Lateral
• Long thoracic nerve : • M : Medial
- Not a boundary • I : Inferior
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4. Lymphedema (Post-mastectomy) of upper limb :
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Lymphedema
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• M/C cause of upper limb lymphedema.
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• Develops weeks to months post Sx. 7@
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• Long standing (8-10 years) : Angiosarcoma
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or bluish nodules.
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• ↑Incidence :
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5. Recurrence :
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- Bluish discolouration of urine.
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Blue dye technique
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2. Radionucleotide technique :
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Tc99 tagged sulphur colloid injected 7@
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(Periareolar region)
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on gamma camera.
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New method.
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ICG technique
CHEMOTHERAPY
Indications : Neoadjuvant chemoRx (NACT) indications :
• LN + . • LABC.
• LABC. • TNBC.
• ER - , PR - tumours. • HER 2 neu + .
• HER 2 neu + tumours. • Large tumour with patient desirous of BCS.
----- Active space ----- Response Evaluation Criteria in Solid Tumours (RECIST) :
Single largest diameter (SLD) measured : Assess tumour shrinkage.
Complete response (CR) Disappearance of all lesions + pathologic LN
Partial response (PR) ≥30% ↓ in SLD
Progressive disease (PD) ≥20% ↑ in SLD while/despite chemoRx or new lesions forming
Stable disease Neither PR nor PD
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performance status (ECOG/Karnofsky).
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• Early breast cancer (T1 , T2 /N0 /M0 ) + Molecular tests
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Hormone + but HER 2 neu - 7@ Oncotype Dx 21 gene assay
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Mammaprint 70 gene assay
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No chemoRx.
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RADIOTHERAPY
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Indications :
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• LN + . • LABC.
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HORMONAL RX
Only given in ER + , PR + breast cancers.
Premenopausal Postmenopausal
Selective estrogen receptor Aromatase inhibitor
Drug
modulator (SERM) : Tamoxifen (Letrozole/anastrozole)
Duration 10 years 10 years
Hot flashes (M/C), DVT,
Side effects Osteoporosis (M/C)
endometrial hyperplasia
TREATMENT SUMMARY
Surgery ChemoRx RT Hormonal Rx
• BCS C/I Mastectomy • LN + , LABC, TNBC, HER 2 neu +
ER +
• If LN not enlarged : SLNB • Molecular tests Low risk + Post BCS
PR +
(↓Lymphedema incidence) hormone + + HER 2 neu -
LABC :
Definition :
• T3 N1 M0
• Any T4 Peau d’orange
• Any N2 With M0
• Any N3
LABC (T4 B)
Mx : NACT MRM/BCS RT.
Pregnancy Associated Breast Cancer :
• Develop during pregnancy/within 1 year of delivery.
• Aggressive tumours (Usually ER, PR - ).
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Ix : Core biopsy (Diagnostic).
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Mx :
1. Sx BCS in 2nd/3rd trimester only RT after delivery7@
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C/F :
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• 3rd/4th decade.
©
Spread :
Phyllodes tumor
• <10% : Metastasize to LN.
• Hematogenous spread (If malignant) :
Lungs (M/c).
MASTALGIA
M/C cause : Fibrocystic disease/fibroadenosis.
C/F : Cyclical mastalgia (↑before menses, settles after periods) +
breast nodularity.
Cardiff-Lucknow scale : Assess nodularity.
Mx :
Rx of pain + nodularity :
• Maintain pain diary.
2 months • Tamoxifen
• Reassure that it is not malignancy. M/C used
No benefit • Ormeloxifen
• Flaxseed/evening primrose oil.
• Danazol
BREAST CYST
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Simple cyst Complex cyst Complicated cyst
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No solid component Solid component + Intracystic floating debris
(BIRADS 2) 7@
(BIRADS 4a) (Infective)
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Mx : Solid component biopsied
Mx : Observation Mx : Antibiotics
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MONDOR’S DISEASE
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Mondor’s disease
Mx : Anti-inflammatory agents (Settles in few weeks).
NIPPLE DISCHARGE
Duct Ectasia :
• M/C pathological cause for nipple discharge.
• Dilated duct + greenish discharge.
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Paget’s disease Eczema
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Eczema like condition + itching Itching
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Entire NAC destroyed No NAC destruction
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U/L B/L
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- Paget’s disease
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STA
Key :
(External Carotid A. Branch)
STA : Superior thyroid artery
Ligated close to gland ELN : Cricothyroid ELN : External laryngeal nerve
during surgery to save ELN (Vocal cord tensor) STv : Superior thyroid vein
STV IJv : Internal jugular vein
MTv : Middle thyroid vein
IJV ITv : Inferior thyroid vein
Butterfly RLN : Recurrent laryngeal nerve
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MTV 30% shaped ITA : Inferior thyroid artery
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(1 vessel ligated
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during thyroid Sx)
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Parathyroid ITV
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RLN (Helps in its
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identification)
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Berry’s ligament :
• Pre-tracheal fascia condensation (Attaches thyroid gland to trachea).
• RLN Injured at this site during thyroid surgery.
Thyroid Examination :
Pizzillo’s method : Patient’s hand on the occiput & leans back to examine.
Lahey’s method : To feel margin of gland.
Crile’s method : To palpate nodules.
Lahey’s method Crile’s method
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Repeat FNAC under USG guidance
Thy 1c Non diagnostic cystic
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Thy 2 Non neoplastic (Benign) Follow up
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Thy 3 Follicular a4 Hemithyroidectomy
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Thy 4 Suspicious of malignancy
Surgery
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Thy 5 Malignant
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Thyroid Scan :
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Solitary
Toxic
Nodule
Normal Scan
Total thyroidectomy
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(Removal of both lobes + Isthmus)
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Hemithyroidectomy Subtotal thyroidectomy Near-total Thyroidectomy
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of surgery.
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Open Thyroidectomy :
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6. Localization of parathyroid gland 7. Thyroid gland removal ----- Active space -----
8. Incision closure
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Joll’s thyroid retractor
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Romovac suction drain
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Minimally Invasive Video-Assisted Thyroid Surgery (MIVAT) : 7@
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Approaches Indications
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• Transaxillary (m/c)
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• <3 cm nodule
•
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Trans-oral
• T1 papillary thyroid cancer
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• Retroauricular
• Parathyroid adenoma
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• Nipples
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1. Hemorrhage.
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2. Nerve injury :
External laryngeal nerve Recurrent laryngeal nerve
M/c, goes unnoticed Less common
U/L or B/L : Hoarseness/inability to
U/L : Hoarseness of voice
speak at high pitch
B/L : S tridor, aphonia, breathlessness (Life threatening)
(Not life threatening)
F > M.
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Syndromes associated with thyroid cancers :
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Type Syndrome Gene
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Medullary MEN 2 RET
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tiy
Follicular
Werner syndrome WRN
ar
ik
Papillary
va
Risk factors :
• Radiation exposure to neck More aggressive tumour arises.
• Long standing thyroglossal cyst.
• Genetic : BRAF gene (M/c involved).
Lateral aberrant thyroid : Palpable LN d/t mets from PTC. Lindsay tumour ----- Active space -----
Thyroid incidentaloma : Incidentally detected <1 cm tumour. Follicular variant of PTC.
Histology of PTC :
• Orphan annie eye/Coffee bean nuclei. Note : Psammoma bodies also seen in
• Intranuclear inclusions. • Serous cystadenocarcinoma
ovary.
• Psammoma bodies. • Meningioma.
• Papillary RCC.
om
l.c
• Radiation induced DTC
ai
• Familial non-medullary thyroid Ca
gm
Total thyroidectomy (TT)
• Multifocal B/L DTC
•
7@
Extra-thyroidal extension
a4
tiy
Post-Operative Mx :
|
or metastasis
©
Risk factors :
• Long-standing multinodular goitre (Rapid ↑size).
• Genetics PTEN & BAX gene mutations.
Up-regulation of miRNA 197, 346. FTC : Bony metastasis
om
• HPE : Oxyphilic Hurthle cell + (Mitochondria rich). other DTC.
l.c
ai
Prognostic Indicators of DTCs :
gm
7@
a4
AGES system AMES system MACIS (Post-operative score)
tiy
• Metastases
ga
C/f :
• Rapidly enlarging swelling.
• Hoarseness of voice (RLN involved).
• Stridor (Tracheal compression).
Mx :
om
scan & radioactive
l.c
Vandetinib, Carbozantinib Metastases + iodine.
ai
gm
MEN Syndromes 7@ 00:39:10
a4
tiy
MEN 2 Syndrome :
MTC only MEN 2A/Sipple syndrome MEN 2B/MEN 3 syndrome
Exon 618 mutation Exon 634 mutation Exon 918 mutation
• MTC (M/c), most aggressive
• MTC (M/c)
• Marfanoid feature
• Parathyroid adenoma
MTC only • Mucosal neuromas
• Pheochromocytoma
• Megacolon
• Megacolon
• Medullated corneal nerve fibres
Prophylactic thyroidectomy should be done by Prophylactic thyroidectomy should be
5-6 years of age. done by 1 year of age.
MEN 4 Syndrome :
• CDKN1B gene mutation on chromosome 12.
• Can develop pituitary adenomas and parathyroid adenomas, renal tumors,
adrenocortical tumors, reproductive organ tumors.
om
2. Drugs f/b radioactive iodine (I131).
l.c
3. Drugs f/b Sx (Inadequate preparation prior Sx Thyroid storm).
ai
gm
Preparation of a hyperthyroid patient for surgery : 7@
a4
Grave’s Disease :
|
w
Patient’s status Mx
Children Drugs only
Pregnant Anti-thyroid drugs (1st trimester : Only PTU)
Without goitre Drugs f/b radio iodine ablation
Adult
With goitre Drugs f/b Sx (Near total/total thyroid Sx)
Elderly with co morbidities Drugs f/b radio iodine ablation (RIA)
Patients with eye signs Drugs f/b Sx (RIA worsens eye signs)
Hypothyroidism 00:50:00
om
• Slow, lethargic • Iodine deficiency : M/c cause overall.
l.c
ai
• Cold intolerant • Hashimoto’s thyroiditis : M/c in western world.
gm
• Bradycardia • Wolf-Chaikoff effect : I2 induced hypothyroidism.
• Constipation • Non-functioning pituitary adenoma.7@
a4
• Weight gain
tiy
ga
Riedel’s Thyroiditis
ik
Thyroiditis Thyroiditis
sh
va
Autoimmune
• H/O URTI + • IgG4 mediated
ur
A/w :
Etiology • A/w HLA B35 • Fibrous deposition in and
|
• Down’s Syndrome
w
• Turner Syndrome
ar
M
Note :
• Hashimoto’s thyroiditis ↑Risk of FTC, lymphoma.
• Postpartum thyroiditis : Subacute, painless.
Types :
1. Diffuse : 2. Multinodular :
Seen in : Seen in :
- Puberty, Pregnancy. Long-standing I2 deficiency
- Hashimoto’s thyroiditis (Variable gland stimulation
- Graves disease. by TSH).
- Iodine deficiency
(Initial phase).
om
Retrosternal Goitre :
l.c
ai
1° Mediastinal 2° Retrosternal
gm
Ectopic thyroid • M/c 7@
a4
Features tissue in • Starts in neck Goes behind sternum
tiy
Neck vessels
ar
Blood Mediastinal
ik
Supply vessels
gland removed easily)
va
ur
Fails
Median sternotomy.
Other Indications of Median Sternotomy :
1° mediastinal goitre, large malignant retrosternal goitre,
recurrence in mediastinum. Pemberton Sign : Facial congestion on raising
hands above head
Hyperparathyroidism 00:57:09
Clinical Features :
1. Bones : Pathological #, Brown tumours (Von Recklinghausen disease of bone).
2. Stones : Multiple + recurrent renal stones (M/c feature).
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Thyroid, Parathyroid and Adrenal Glands 47
1° Hyperparathyroidism :
Adenoma > Hyperplasia
Ix Biochemical : s.PTH↑, s.Ca2+↑, s.PO43-↓, urinary Ca2+↑, urinary PO43-↑.
Imaging : Sestamibi scan (Best type : SPECT Localises parathyroid gland).
om
l.c
ai
Mx :
gm
Sestamibi scan a4
7@
tiy
Adenoma Hyperplasia
ga
ar
ik
sh
Remove affected
31/2 gland
va
criteria done).
w
Sestamibi Scan
©
2° Hyperparathyroidism :
↑PTH + Parathyroid hyperplasia, reversible condition.
Causes : Mx :
• Chronic Renal Failure (CRF). • Correction of CRF.
• Defective intestinal absorption. • Vit D3 Supplement.
• Lithium intake. • Low phosphate diet.
• Vitamin D3 deficiency • Cinacalcet.
om
Workup :
l.c
ai
• Serum cortisol
gm
• 7@
Plasma free metanephrines (To rule out phaeochromocytoma)
a4
• Serum DHEA
tiy
• Urinary cortisol
ik
sh
+ -
va
ur
|
Management :
U/L adrenal mass
om
• Sweating. • Areas of necrosis & hemorrhage.
l.c
• Episodic HTN (M/c sign) in young patients.
ai
gm
Note : Young onset HTN D/D Hyperthyroidism, renal artery stenosis, polycystic
7@
kidney disease, phaeochromocytoma.
a4
tiy
ga
Investigations :
ar
Mx :
• a blockade F/b b blockade.
Phenoxybenzamine (a blocker) ↑Dose gradually till postural hypotension +
• Sx : L aparoscopic/Open adrenalectomy.
(Open Sx if malignancy + ).
Neuroblastoma 01:10:23
Features :
• M/c abdominal malignancy in children : Neuroblastoma > Wilms tumour.
• M/c age : <5 years.
Site : Adrenal medulla > Sympathetic chain.
Genetics : n-myc amplification.
Eyes swollen
Ix : Mx :
IOC : MRI (Tumour site, intratumoral calcifications + ). Chemotherapy and Sx.
Carcinoids
om
01:12:14
l.c
ai
AKA Neuroendocrine tumours (NET) New term.
gm
Site : Appendix > Small bowel. a4
7@
Types :
tiy
ga
ar
Argentaffin - +
w
ro
ar
Features :
• Cutaneous flushing (M/c symptom).
• Abdominal pain, sweating.
Carcinoid syndrome :
Serotonin enters in circulation Bronchospasm.
Right heart valve involved : Tricuspid valve (M/c)
Investigations :
Urine : 5-Hydroxy indole acetic acid (5-HIAA).
Blood : Serum chromogranin.
Imaging CECT.
Serotonin receptor Scintigraphy. (Localise tumour)
Appendicular carcinoid Mx :
om
l.c
ai
gm
7@
a4
tiy
ga
ar
ik
sh
va
ur
|
w
ro
ar
M
©
----- Active space ----- ORAL CANCER, SALIVARY GLANDS & NECK
SWELLINGS
FEATURES
• m/c site (Overall) : Lateral border of tongue.
Keratin
• m/c site (India) : Gingivo-buccal sulcus. pearls
• m/c gene mutation : p53.
RISK FACTORS
om
• Smoking. • Immunosuppression. HPE : Squamous cell carcinoma (SCC)
l.c
• Alcohol. • Sharp, ill - fitting denture.
ai
gm
• Betel quid. • Chronic infections (HPV : Oropharyngeal SCC >> Oral SCC).
Note : EBV a/w nasopharyngeal cancer. 7@
a4
tiy
PRE-MALIGNANT CONDITIONS
ga
ar
• Female sex.
va
ur
• Non-smoker.
|
• Lesion specific :
w
ro
Dysplastic lesions :
Leukoplakia Erythroplakia Chronic submucous fibrosis
• White patch • Red patch. • Hypersensitivity reaction
(Cannot be • ↑ Risk of cancer by to betel nuts .
Features rubbed off). 6 - 9 times. • Inadequate mouth opening
• ↑ Risk of cancer • Most aggressive form : d/t fibrous deposition in
by 3 - 5 times. Speckled. oral cavity.
• Stop risk factors for oral cancer.
Mx Intra-lesional triamcinolone.
• Biopsy (Confirmatory).
Appearance
om
INVESTIGATIONS
l.c
ai
Biopsy :
gm
• Edge/wedge biopsy (Centre avoided d/t necrotic tissue).7@
a4
Basement membrane
sh
Tumor
va
Depth of thickness
ur
invasion
|
(DOI)
w
ro
ar
Staging :
M
©
T stage N stage
Stage Size (cm) + DOI (mm) N0 No Lymph node (LN) involved
T1 ≤2+≤5 N1 Single I/L LN ≤ 3cm in size
≤ 2 + 5 to 10 N2a Single I/L LN 3 - 6 cm in size
T2 (or) N2 N2b Multiple I/L LN, all ≤ 6 cm in size
2 to 4 + ≤ 10 N2c Any B/L (or) C/L LN, all ≤ 6 cm in size
T3 > 4 (or) > 10 N3a Any LN > 6 cm + ENE -
N3
Invasion of adjacent N3b Any ENE + (Clinical/radiological)
T4
structures
Note :
• Clinical extra nodal extension (ENE) Matting, skin fixity.
• M/c site of distant metastasis : Lungs.
om
• Level 1-5 LN + • Level 1-5 LN + At least 1 extra- • Central ND :
l.c
3 extra-lymphatic structures : lymphatic structure saved. Level 6 LN (Delphian LN).
ai
- Sternocleidomastoid (SCM) - Based on structure saved : • Supra omohyoid ND (SOHND)
gm
- Internal jugular vein (IJV) a) MRND I : SAN. : Level I, II and III.
- Spinal accessory nerve (SAN) b) MRND II : SAN + IJV. 7@ • Extended SOHND : Level I, II,
a4
• Submandibular gland.
ga
(Functional ND).
ar
• Tail of parotid.
sh
va
Hypoglossal nerve
©
SCM
IJV
SAN
Ansa cervicalis
om
l.c
ai
Free fibular flap PMMF
gm
7@
a4
tiy
ga
ar
ik
sh
va
ur
|
Deltopectoral flap
ro
ar
Adjuvant Therapy :
M
©
Condition Description
Mucus
• Blockade of minor salivary gland
retention
• Mx : Excision
cyst
om
• Surgical Complications :
l.c
ai
- M/c injured structure : Submandibular duct
gm
- M/c nerve injury : Lingual nerve
7@
Plunging • Mucus retention cyst (sublingual + submandibular gland)
a4
• In immunocompromised patients
sh
Parotid
• C/F : Painful swelling + fever on lateral parotid region
va
abscess
ur
Stafne
Mandibular cyst : M/c site of ectopic salivary tissue
bone cyst
om
V Suspicious of malignancy Surgery
l.c
VI Malignant Surgery (Depending on extent)
ai
gm
PAROTID TUMORS
90 % Benign. 7@
a4
tiy
Clinical features :
ga
Benign Tumours :
ar
M
©
HPE findings
Epithelial 2 layers
cells of cells
Carcinoma ex pleomorphic adenoma
Complication -
(Malignant transformation)
om
• Ulceration.
l.c
ai
• Facial nerve involvement.
gm
• Lymph node enlargement. 7@
a4
- IOC : FNAC.
tiy
Treatment :
sh
va
Principles :
ur
om
- Ix : Starch iodine test.
l.c
ai
- Mx TOC : Tympanic neurectomy.
gm
First line : Botox and anti-perspirants. 7@
a4
- Prevention : SCM flap/digastric muscle flap to cover parotid bed.
tiy
ga
ar
ik
sh
va
Sweat + , starch
ur
turns blue
|
w
SUBMANDIBULAR TUMORS
M
©
Dermoid Cyst :
Formed at lines of embryonic fusion.
Classical site : Post auricular/outer canthus of eye.
O/E : Fluctuant swelling.
Imaging : Done prior Sx, to rule out intracranial
om
l.c
extension.
ai
Dermoid cyst
gm
Mx : Surgery.
7@
Tubercular Cervical Lymph Node :
a4
tiy
Cold abscess
ar
M
©
3 main constrictions
Structures associated Distance from upper incisor Relevance
• Narrowest portion of GIT
1. Pharyngoesophageal
15cm • Foreign bodies can get stuck
junction (C6)
• Iatrogenic perforations
2. Left main bronchus &
25cm -
arch of aorta
om
3. Esophagus pierces
40cm -
l.c
diaphragm
ai
gm
Foreign Body 7@ 00:01:30
a4
Features :
tiy
ga
Trachea Face of coin seen Side of coin seen Stridor & choking
ur
|
w
ro
ar
M
©
Management :
• Beyond C6 : Patient observation.
If coin
• Impacted at C6 : Endoscopic removal.
• Button battery : Endoscopic removal (D/t corrossive nature Perforation).
Causes :
1. Alkali : Liquefactive necrosis Penetrates deeper (More dangerous).
2. Acids : Pylorospasm Gastric damage.
Management :
• IV fluids & NPO.
• NG tube should not be inserted blindly Can cause
perforation.
om
•
l.c
No role of prophylactic antibiotics.
ai
•
gm
Most important intervention : Early skilled endoscopy.
• No role of steroids. 7@
a4
Types :
|
w
ro
ar
M
©
Clinical Features :
• Respiratory distress. VACTERAL
• Excessive drooling of saliva. Vertebral Tracheoesophageal
• Coiling of oro-gastric tube. Anorectal Renal
• Rule out : VACTERAL anomalies. Cardiac (M/c) Limb defects
Management :
Waterson’s criteria : H-type TEF
om
l.c
Surgery :
ai
gm
1. Type A Two ends are close : Anastamose.
Two ends are far : Gastrostomy 7@
Anastamosed when ends
a4
are close.
tiy
GERD 00:09:46
ur
|
w
(Most important) :
©
Angle of His.
• 3-5 cm : Normal. 4. Arrangement of mucosal folds
• <2 cm : Predisposition to GERD. (Least important).
2. Pinching effect of right diaphragmatic crura.
Note : Lower esophageal sphincter (LES) pressure <6 mmHg GERD.
Pre-disposing Factors :
• ↑Transient LES relaxation : Earlient physiological indicator.
• ↑Obesity & ↓H. Pylori infection rate ↑GERD.
Note : Central obesity ↑Risk of Barrett’s & adenocarcinoma.
Clinical Features :
• Restrosternal burning sensation (Heart burn). • Chronic cough.
• Water brash. • Wheezing.
• Pharyngitis/Laryngitis. • Dental caries.
Management :
1. Lifestyle changes : 2. Medical Mx : PPI & prokinetics.
• Reduce weight. 3. Surgical Mx : Fundoplication.
• Small frequent meals.
• Last meal 2 hrs before bed.
Fundoplication :
Indications : Principles of fundoplication :
1. Not responding to medical Mx. • To restore adequate intra-abdominal
2. Complications of GERD + . length.
om
• To tighten the diaphragmatic crura.
l.c
3. GERD a/w large hiatal hernia.
ai
• To wrap fundus around esophagus.
gm
4. Patient wants to stop medical Mx.
7@ • To preserve vagus nerves.
a4
Types of fundoplication :
ik
sh
Newer Modalities :
1. Polymer injection : High recurrence.
2. Endoscopic RFA : Good longterm results.
3. Magnetic sphincter augmentation (LINX).
4. Transoral incision less endoscopic fundoplication (TEMPO trial).
Features :
1. Complication of long standing GERD.
2. Specialised intestinal metaplasia (Squamous Columnar epithelium).
3. Red velvety mucosa.
Investigations :
1. Endoscopic biopsy : Diagnosis.
2. HPE : Goblet cells (Pathognomonic).
3. Chromoendoscopy :
- For microscopic involvement. OGD : Red velvety nucosa
- Methylene blue for Barrett’s/AdenoCa.
- Lugol’s iodine for SCC.
om
l.c
Note : For goblet cells Use alcian blue.
ai
gm
7@
a4
tiy
ga
ar
ik
sh
va
ur
|
Types :
ar
M
Risk of Malignancy :
High grade dysplasia > Low grade dysplasia > Barrett’s esophagus (0.2-0.5%).
Prague C & M Criteria :
16
gastroesophageal junction
14 M : Maximum extent = 14 cm
↑C & M score
Distance in cm from
12
10
8 C : Circumferential extent = 6 cm ↑Risk of Adenocarcinoma.
6
4
2 Correctly identify the gastroesophageal junction
0 Recognize haitus and hernia
Treatment :
1. RFA : Cost effective + ↓S/E.
om
2. EMR (Endoscopic mucosal resection) :
l.c
• Removes whole mucosa.
ai
gm
• Higher rate of strictures.
7@
a4
Esophageal Cancer
tiy
00:20:55
ga
ar
Location in
ur
esophagus
w
ro
• Smoking, alcohol
ar
• Smoked food
©
• Smoking, alcohol
• Tylosis
• GERD
Risk factors • Achalasia cardia
• CREST syndrome
• Vit E and selenium deficiency
• Barrett’s esophagus
• Zenker’s diverticulum
• Corrosive injury
• Plummer Vinson syndrome
Clinical Features :
• Progressive dysphagia (Solids more than liquids).
• Weight loss.
• Hoarseness : Sign of advanced disease (Left Recurrent laryngeal nerve (RLN)
involvement).
• Chronic cough.
Shouldering
effect Rat tail
appearance
om
Type III : Gastric Ca
l.c
Treatment :
ai
gm
Esophagectomy :
7@Minimum lymph nodes removed
• Margins :
a4
• Breast : 10
tiy
Esophageal replacements :
|
w
SEMS
Note : Main prognostic factor for esophageal Ca. T-stage (Depth of invasion).
Management :
• Enucleation
• STER : Submucosal Tunnelling Endoscopic
Resection. Punched out appearance
om
l.c
AKA Cricopharyngeal achalasia.
ai
gm
Features : 7@
a4
1. Killian’s dehisence (Site) : Potential space b/w thyropharyngeus &
tiy
cricopharyngeus.
ga
ar
• Halitosis.
• Aspiration pneumonitis (M/c complication).
Management :
1. Diverticulectomy + Cricopharyngeal myotomy.
(Best, ↓recurrence rate).
2. If not fit for Sx : Dohlmann’s procedure.
- Endoscopic diverticulopexy + Cricopharyngeal myotomy.
- Linear stapler/Laser used.
- ↑Recurrence.
Note : Mid-esophageal/Parabronchial diverticulae.
• True diverticulum.
• Traction diverticulum.
• Cause : TB/Histoplasmosis.
• Large/Symptomatic Diverticulectomy.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Gastrointestinal Surgery : Part 1 69
om
l.c
Mx : Surgery.
ai
gm
Type III : 7@ Rolling hiatal hernia
Sliding + Rolling.
a4
tiy
Type IV :
sh
va
Esophageal Perforation
w
00:33:02
ro
ar
Iatrogenic Perforation :
M
©
om
d. Pleural effusion.
l.c
ai
Pleural effusion Contrast leak
gm
Management :
1. Conservative Mx : Stable pts. 7@
a4
Adequate drainage.
ar
ik
Nutritional support.
sh
va
00:37:57
M
©
Shatzki Ring :
B ring (Mucosal submucosal).
C/f : Intermittent dysphagia.
Mx : If symptomatic Dilatation.
Schatzki ring
Feline Oesophagus :
• Lines markings on imaging.
• Endoscopy : Stacked up appearance.
• Seen in :
- GERD (M/c), lower 1/3rd.
- Eosinophilic esophagitis, upper 1/3rd.
Feline oesophagus
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Gastrointestinal Surgery : Part 1 71
Esophageal Infections :
1. Esophageal candidiasis :
• A/w oral thrush.
om
• Seen in immunocompromised patients.
l.c
• Endoscopy : Shaggy appearance.
ai
gm
• Barium swallow : Worm like ulcers.
7@
a4
2. CMV :
tiy
ga
• Ulcers : Serpigenous/Geographical.
ik
sh
va
3. Herpes :
ur
|
Cause :
Failure of LES to relax (D/t loss of ganglion cells in Myenteric & Auerbach plexus).
Types of Achalasia :
• Primary achalasia : Loss of ganglion cells.
• Secondary achalasia : Secondary to Chagas disease (Trypanosoma cruzii).
• Vigorous achalasia : Rapidly progressive.
• Pseudoachalasia : Seen in malignancy.
• Triple A syndrome (Allgrove syndrome) : Alacrimia, Achalasia, ACTH resistant
adrenal insufficiency.
om
Chicago classification :
l.c
ai
IOC : Manometery.
gm
Type I 7@
Type II Type III
a4
>20% Swallows
va
Eckardt score :
ar
• Weight loss.
M
• Retrosternal pain.
©
• Dysphagia. • Regurgitation.
Treatment :
1. Botox : 2. Pneumatic dilatation :
• Highest recurrence. • Similar efficacy as myotomy.
• Repeated injections : Scarring. • Indications : Elderly, female undilated
• Restricted to elderly patients with esophagus, type II achalasia.
co-morbidities.
Features :
• 5 times less common than achalasia.
• F > M.
• Simultaneous, repetitive, high amplitude contractions.
Clinical features :
• Chest pain (Angina like).
• Dysphagia.
Investigations :
1. ECG.
2. Manometry.
om
3. Barium study : Corkscrew/Rosary bead
l.c
Rosary bead esophagus
ai
appearance.
gm
Congenital Hypertrophic Pyloric Stenosis (CHPS)
7@
00:48:51
a4
tiy
Features :
ga
ar
Clinical Features :
|
w
On examination :
©
Differential Diagnosis :
CHPS Duodenal atresia
At birth Normal Bilious vomiting
Non-bilious projectile vomiting
Complaints Bilious vomiting
after few weeks
Seen m/c in First born male child Down syndrome
10C USG X-ray
Mx Ramstedt pyloromyotomy Duodenoduodenostomy
Investigations :
1. USG : IOC Pyloric channel Thickness >4 mm.
Length >16 mm.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
74 Surgery
Treatment :
Contrast study
Correction of metabolic abnormality :
• Best fluid = 0.45% NS + Dextrose + KCl (If urine output : N ).
• RL.
Ramstedt’s pyloromyotomy :
• Surgical Mx of CHPS.
om
• Pylorus cut Mucosa should bulge out.
l.c
• Resume
ai
gm
feeding Uneventful Sx : Within 4-6 hrs.
7@ Ramstedt’s procedure
Mucosal injury + : After 24-48 hrs.
a4
tiy
ga
00:52:44
ik
sh
Features :
va
ur
• M/c type : Duodenal ulcers (90%. a/w H. Pylori & ↑acid production).
|
w
Duodenal Ulcers :
Posterior ulcers :
• M/c complication : Bleeding (D/t erosion of gastroduodenal artery).
• Mx : Endoscopic (2 attempts) Fails Open surgery (Underrunning
of vessel).
Anterior ulcers :
• M/c complication : Perforation Perforation peritonitis.
• C/f :
- Pain.
- ↑HR, ↓BP.
- Rebound tenderness.
- Board like rigidity.
• Investigation : X-Ray Gas under diaphragm
(Hollow viscus perforation).
Air under diaphragm
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Gastrointestinal Surgery : Part 1 75
om
60% a/w H. Pylori..
l.c
ai
Johnson criteria :
gm
Type Location 7@ Features
a4
tiy
Mx :
M
• Antrectomy.
• Pauchet’s procedure (Type IV ulcers).
H. Pylori :
• CAG-A & VAC-A genes : Toxins.
• Urease : Helps it survive in acidic environments.
• A/w :
a. Peptic ulcers. c. Gastric cancer.
b. Type B gastritis. d. MALTomas.
• Slightly protective against adenocarcinoma esophagus & Barrett’s esophagus.
Procedure Image
• Gastric resection
Bilroth 1
• Gastroduodenal anastomosis
• Gastric resection
Bilroth 2 (Poly a
• Close duodenal stump
reconstruction)
• End-to-side gastrojejunal anatomosis
om
l.c
ai
gm
7@ Stomach
• Gastric resection
a4
Roux-en-Y gastro
tiy
Vagotomy :
ro
ar
Early Late
Occurs due to rapid influx of fluid in the bowel Rebound hypoglycaemia due to excessive
due to hyperosmolar contents in the bowel insulin release
Hypoglycemia (Tachycardia, sweating,
Epigastric fullness, nausea & vomiting
headache)
Worsens with more food Improves with more food
Starts in 15-20 mins after food Starts in 30-40 mins after food
Prevention :
• Small frequent meals.
• Avoid liquid with meals.
• Avoid sugar rich liquids
• Avoid simple sugars.
om
• Take high protein/fat diet.
l.c
ai
• Resistant cases : Try octreotide.
gm
7@
Gastric Cancer 01:05:53
a4
tiy
ga
1. Smoking.
sh
Intestinal Diffuse
va
Blood type A
ro
M>F F>M
M
5. H. Pylori.
©
Other Classifications :
1. Japanese classification :
• For early gastric cancers : Above muscle layer.
• Type 1 : Best prognosis.
2. Borrmann’s classification :
• For advanced gastric Ca : Invading the muscle layer.
• Type IV (Linitis plastica) : Worst prognosis.
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Tripe palms Hyperkeratotic palms (Internal malignancy)
l.c
ai
gm
7@
a4
tiy
ga
ar
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sh
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Investigations :
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Surgical Management :
1. Primary tumour :
• Margins : Proximal margin 5 cm, Distal margin Pylorus.
• Resection : Distal/Subtotal (Antral tumor)/ Total
Total. gastrectomy
2. Lymph nodes : Subtotal/Partial
(60-70%)
• D1 gastrectomy : 1-6 stations removed.
• D2 gastrectomy (Optimal) : 1 - 11 Stations Distal
removed. gastrectomy
Minimum no. of lymph nodes removed : 16.
Note : M/c site of mets Liver. Distal
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7 Left gastric 8 Common hepatic 9 Celiac
l.c
10 Splenic hilum 11 Splenic artery 12 Hepatoduodenal
ai
gm
ligament
13 Retropancreatic
7@
a4
tiy
01:12:02
ar
ik
Features :
sh
va
Carney’s triad :
1. Gastric GIST : A/w SDH-B mutation 1. Gastric GIST.
(1° imatinib resistance). 2. Paraganglioma.
2. Pulmonary chondromas.
3. Paragangliomas.
Management : Clinical features :
IOC : CECT (Radiological diagnosis). • Upper GI hemorrhage (m/c)
Treatment : • Lump
1. Surgical resection : 2cm margin. • Perforation
2. Malignant/Metastasis (M/c liver) : Sx + Imatinib.
3. Imatinib resistant : Sunitinib/Sorafenib.
IHC Markers :
• CD117/CKIT (M/c). • DOG 1 : Most specific.
• CD34 (60-65%). • Wild type : CD117 - & PDGFα - .
MALToma :
• A/w H. Pylori.
• Low grade : Responds to H. pylori eradication.
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• High grade : Treat like lymphoma.
l.c
ai
gm
Gastric Volvulus 01:15:13
7@
a4
• Unproductive retching.
ga
ar
• Epigastric pain.
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Types :
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Organoaxial Mesenteroaxial
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Organoaxial Mesenteroaxial
Management :
IOC : CECT.
Sx :
• Derotate stomach.
• Fix underlying cause.
Note : Trichobezoar.
• Hairball in the stomach.
• 2° to trichophagy (Eating one’s own hair).
• Mx : Surgical removal Psychiatry reference. Gastric volvulus
Indications : Types :
1. BMI >40 kg/m2.
Bariatric surgery
2. BMI >35 kg/m2 with obesity complications.
M/c Sleeve gastrectomy
3. Asian population : Lower cutoff for Sx. Most
Roux-en-Y gastrojejunostomy
acceptable
OS-MRS (Obesity Surgery - Mortality Risk Score) :
Maximum Duodenal switch/
The risk factors : weight loss Biliopancreatic diversion.
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a. Arterial hypertension. Reversible Gastric banding & intragastric
l.c
b. Age >45.
ai
Sx balloon placement.
gm
c. Male gender.
7@
d. BMI >50kg/m2.
a4
tiy
Irreversible Procedures :
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BPD DS
Surgery Revision • v4.1 • Marrow 8.0 • 2025
82 Surgery
• Nutritional deficiencies :
- Iron (M/c).
- Vit D3/Ca2+
- Vit B12
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• Complications :
l.c
ai
i. M/c : Bleeding from staple line.
gm
ii. Nutritional deficiencies. a4
7@
iii. Leak from angle of His.
tiy
Sleeve gastrectomy
sh
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©
Reversible Procedures :
1. Gastric banding :
• Band placed 6cm from the GE junction.
• Reversible pressure adjustable balloon
Features Of Bariatric Sx :
• M/c cause of death : DVT Pulmonary embolism.
• AKA metabolic surgery : Weight loss + Improvement in DM/HTN/hyperlipidemia.
• Nutrient replacement :
- Iron
- Vit B12
- Vit D3 & Ca2+
- Fat soluble vitamins : In sleeve gastrectomy & Roux-en-Y bypass.
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l.c
Mesenteric Cyst
ai
00:09:35
gm
IOC : CECT. 7@
a4
Tillaux Triad :
tiy
ga
1. Periumbilical swelling.
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Types :
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• Vessel : Left gastric artery.
l.c
ai
Rx : Self limiting.
gm
D/D : Boerhaave syndrome 7@ Mallory weiss tear
a4
tiy
• Seen at antrum.
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• Autoimmune.
sh
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Mx : Argon photocoagulation.
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Watermelon stomach
M
©
Portal Gastropathy :
Seen in portal hypertension.
Endoscopy : Strawberry stomach
(Reddish nodules)
Strawberry stomach
Menetrier’s Disease :
• Hypertrophy of gastric mucosal folds
d/t overexpression of TGF α.
• ↑Risk of cancer.
C/f :
• Protein losing enteropathy (Earliest).
• Upper Gı hemorrhage.
Mx : Hypertrophied folds
Cetuximab (Monoclonal ab against EGFR) Fails Gastrectomy (Severe cases).
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4. Rectum.
l.c
5. Bare area of liver (Segment 7).
ai
gm
Caput medusae
C/f : 7@
a4
Management :
Bleeding
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Note :
ur
|
1V drugs :
©
• Best : 1V terlipressin
• M/c used : 1V octreotide
• Not used : 1V propranalol
Patient stabilised
Upper GI endoscopy :
Banding (M/c) > Sclerotherapy (Sodium tetradecyl sulphate)
Assess bleeding
Controlled Uncontrolled
----- Active space ----- For temporary control of bleeding (Until patient is ready for TIPSS) :
Sengstaken Blakemore tube Minnesota tube Linton tube
3 channels, 2 balloons 4 channels, 2 balloons 3 channels, I balloon
Gastric Esophageal
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(Splenic & bowel blood are both shunted).
l.c
• Complications :
ai
gm
a. Rupture of capsule : Earliest.
7@
b. Blocked Rebleeding : M/c.
a4
tiy
Other shunts :
ik
sh
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Advantage :
M
• Avoids encephalopathy.
Scoring systems :
1. Rockall’s score. 4. Forrest’s classification :
Prognostic scores
2. BLEED criteria. - For peptic ulcer bleeding.
3. Child Pugh Turcotte score. - Endoscopic assessment.
Classification Description
Acute hemorrhage (High risk)
Class la Spurting hemorrhage
Class Ib Oozing hemorrhage
Signs of recent hemorrhage
Class Ila (High risk) Non bleeding visible vessel
Class 1lb (Intermediate risk) Adherent clot
Class IIc (Low risk) Flat pigmented spot
Lesions without acute bleeding
Class I11 (Low risk) Clean ulcer base
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Cardinal Features :
l.c
ai
• Non passage of flatus • Distention
gm
& faeces (Obstipation). 7@
• Abdominal pain.
a4
• Vomiting.
tiy
ga
Investigations :
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X-ray Features :
M
2. Supine x-ray :
Site of obstruction Features
• Feathery appearance.
Jejunum
• Valvulae conniventes (Concertina effect). Concertina effect
Ileum Featureless (Loops of wangensteen).
Large bowel Incomplete haustrations.
Incomplete haustrautions
Surgery :
Distended : Large bowel obstruction.
Caecum is visualised 1st
Collapsed : Small bowel obstruction.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
88 Surgery
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l.c
Colon
ai
gm
Intussuscipiens : Receiving loop
7@
a4
Ileum
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Neck
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Caecum
M
©
Investigations :
1. X-ray abdomen : Erect & supine (Initial). Note : IOC.
2. USG : Target/Donut/Pseudokidney sign. • In children : USG.
3. Contrast enema : Pincer/claw sign. • In adults : CECT.
- Diagnostic & therapeutic.
- C/I : Perforation, recurrence or 2˚ to pathological lead point.
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Large Collapsed.
l.c
Dilated.
bowel Note : Small bowel dilated.
ai
gm
Management : 7@
a4
tiy
Contrast Enema :
ga
Sigmoidoscopic decompression
sh
va
1. Resect perforated
w
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Mx :
Heinke’s stricturoplasty
1. Strictures are close : Resection & anastomosis.
2. Strictures are far apart : Heinke Mikulicz stricturoplasty.
om
l.c
Vitelline
ai
vessel
gm
remnant
7@
1. Completely patent : 2. Fibrous band formation : Leads to volvulus
a4
tiy
Fecal discharge
ga
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sh
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M
Duodenal Atresia :
Common in Down’s syndrome.
C/f : Billious vomiting since birth.
D/D : CHPS.
X-ray : Double bubble sign.
S
Mx : Duodenoduodenostomy. D J
Jejunal Atresia :
X-Ray : Triple bubble sign. Double bubble sign Triple bubble sign
(S : Stomach, D : Duodenum, J : Jejunum)
om
• Angle <22˚ compresses D3 (Content).
l.c
Causes : Rapid weight loss, spinal cast.
ai
gm
C/f : Bilious vomiting after meals.
7@
IOC : CT Angiography.
a4
tiy
Rx :
ga
b. Strong’s procedure :
sh
va
c. Duodeno-jejunostomy.
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Ladd’s Band :
M
Duodenal compression.
Mx : Excision of band.
Hirschsprung’s Disease :
AKA congenital megacolon.
Etiopathogenesis :
• Absence of ganglion cells in auerbach & myentric plexus.
Adynamic/functional obstruction.
• Common in Down’s syndrome & MEN 2A/2B.
• Mutation in GDNF (Glial derived neurotropic factor).
Surgery Revision • v4.1 • Marrow 8.0 • 2025
92 Surgery
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l.c
Bypass/resection of abnomal portion Intraoperative frozen section.
ai
gm
Paralytic Ileus : 7@
• Stunned bowel Functional block.
a4
tiy
• Causes :
ga
ar
a. Surgical c. Hypothermia
ik
sh
b. Hypokalemia d. Uremia
va
Surgical Anatomy :
• Appendicular artery : Branch of lower division of ileocolic artery.
• Appendicular base : Junction of 3 taenia coli.
Preileal : 1%
Postileal : 0.5%
• L/c
Retrocaecal • Most difficult to diagnose.
(M/c) : 74% Pelvic : 21%
Paracaecal : 2%
Subcaecal : 1.5%
Symptoms :
om
1. Pain abdomen. 3. Anorexia
l.c
ai
2. Nausea & vomiting (M/c) 4. Fever
gm
Signs : 7@
a4
1. McBurney’s point tenderness.
tiy
Umbilicus
3. Psoas sign : Pain in RIF on flexion against resistance.
ik
2/3rd
sh
McBurney’s point
w
Finding Score
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Appendicectomy 00:52:38
Incisions Used :
1. McBurney’s incision :
- Grid iron : Muscle splitting.
- Rutherford morrison : Muscle cutting.
2. Lanz/skin crease/bikini incision :
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Better cosmesis.
l.c
3. Lower midline abdominal incision :
ai
gm
For perforated appendix.
7@
a4
Structures Passed :
ik
sh
1. Skin
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2. Superficial fascia.
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4. Muscles
M
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5. Peritoneum
Complications :
1. Wound infection (M/c).
2. Bleeding.
3. Portal pyemia.
4. Stump appendicitis (If stump >4mm).
Lap. appendicectomy
Appendicular Perforation :
• Omentum dysfunction.
• Seen in :
- Children - Pregnant females.
- Elderly - Immunocompromised patients.
- Adhesions
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Gastrointestinal Surgery : Part 2 95
Monitor : Mx :
• Size of lump. • NPO.
• Tenderness. • IV fluids
• Temperature. • IV antibiotics.
• •
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Pulse rate. Analgesics.
l.c
ai
Outcomes
gm
Recovers : 7@
Deteriorates (↑Pain, fever & lump size) :
a4
Tumours Of Appendix
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00:58:13
|
w
C/f :
• Pain & appendicitis.
• May be detected incidentally.
Mx :
1. Close to the base & >2 cm : Right hemicolectomy.
2. Close to the tip & <2 cm : Simple appendicectomy.
Epithelial Tumours :
A. Non-mucinous : Adenocarcinoma (Mx : Same as colorectal cancer).
B. Mucinous : Gives rise to pseudomyxoma peritonii.
• Mucinous deposits in the peritoneum Obstruction, distention.
• Mx : Cytoreductive Sx HIPEC.
- Hyperthermic intraperitoneal chemotherapy.
- With Paclitaxel/Mitomycin-C at 41-44˚C.
• Seen in appendicular, ovarian & 1˚ peritoneal tumours.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
96
Ileostomy Colostomy
Output More; liquid Less; semi-solid
Skin excoriation More Less
Fluid and electrolyte
More Less
imbalance
Ease of management - Easier
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Raised above the skin (Pouting)
l.c
Flat
ai
Technical difference
gm
(Same level as skin)
7@
a4
tiy
ga
Types of Stoma :
ar
ik
sh
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M
©
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2. Enteric wall defects <1 cm.
l.c
3. Fistula tract >2 cm.
ai
gm
4. No abdominal wall defect.
7@
5. Good nutrition (Albumin >25 g/L).
a4
tiy
7. No FRIEND factors :
ar
ik
- Radiation. - Neoplasm.
ur
|
Management :
+
Spontaneous closure Conservative Mx.
- SNAP protocol
Skin care, sepsis control.
Nutrition.
Anatomical delineation (Imaging).
Planned surgery.
Prognostic grouping :
I II III
Degree of complexity of fistula Low Intermediate High
Mortality Low 10 - 25% >25%
Early surgical Late surgical
Rx goals Spontaneous closure
closure closure
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Bowel lengthening procedures :
l.c
ai
1. 2.
gm
Incision
7@
a4
tiy
ga
ar
ik
sh
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|
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ro
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BIANCHI STEP
M
Features :
• M/c site : Sigmoid colon.
• False diverticulae (Mucosal herniation).
• Forms along mesenteric border.
• 4th - 5th decade; A/w constipation.
• M/c cause of massive lower GI hemorrhage.
• IOC of diverticulosis : Barium enema Sawtooth
appearance.
Sawtooth appearance
Diverticulitis :
Clinical features :
• Left lower quadrant pain.
• Diarrhea.
• Fever.
Diverticulitis with abscess
• Raised TLC.
Hinchey staging system : Based on CECT (IOC).
om
Stage Features Management
l.c
ai
I Colonic inflammation with pericolic abscess
gm
Pigtail catheter
II Colonic inflammation with pelvic abscess
7@
III Purulent peritonitis
a4
Laparotomy + Hartmann
tiy
Angiodysplasia
ur
00:11:32
|
w
Features :
ro
ar
• Dilated arterioles + .
• M/c site : Caecum.
Clinical features :
• Seen in elderly (5th - 6th decade).
• Heyde syndrome :
Angiodysplasia + Aortic stenosis. Angiodysplasia
Management :
Investigation :
• Colonoscopy.
• Capsule endoscopy.
Treatment : Coagulation/cauterisation.
Capsule endoscopy
om
- Colovesical/colovaginal fistulae
involvement Pseudopolyps
l.c
• Creeping fat
ai
• Non-caseating granuloma
gm
• Mimics acute appendicitis 7@• Bloody diarrhea
Clinical features
• Abdominal pain + diarrhea • Toxic megacolon
a4
tiy
Diagnosis Biopsy
ga
ar
ik
sh
va
ur
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Radiological sign
ar
M
©
Types :
1. Inflammatory : Ulcerative colitis Pseudopolyps.
2. Hamartomatous :
• Seen in Peutz Jegher syndrome.
• Types :
- Single juvenile polyp : Not premalignant.
- Juvenile polyposis : ↑Risk of cancer.
3. Adenomatous polyp : ↑Risk of cancer.
Inflammatory pseudopolyps
Peutz Jegher’s Syndrome :
• Gene : STK 11 (chr 19).
• M/c location : Jejunum.
om
l.c
• Increased risk of :
ai
gm
- Pancreatic cancer (100x).
- Duodenal cancer. 7@
a4
- Thyroid cancer.
tiy
ga
Clinical features :
va
Arborising pattern
om
l.c
Surgery : Total proctocolectomy + 1APA.
ai
gm
Variant Associated with 7@
• FAP
a4
tiy
• Sebaceous cysts
ga
Gardner syndrome
ar
• Osteomas
ik
sh
• Desmoid tumour
va
• FAP
ur
|
• CNS tumours :
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Turcot’s syndrome
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- Gliomas
ar
M
- Medulloblastomas
©
If mutation +
Lynch syndrome :
Lynch 1 Lynch 2
• Extracolonic cancers
Colorectal cancers are m/c
• M/c : Uterine, cervical
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M/c site : Rectum > Rectosigmoid > Sigmoid.
l.c
ai
gm
Screening :
• Starts : 50 years of age. 7@
a4
Modalities :
ik
sh
va
Length of scope 60 - 90 cm -
ar
to caecum visualised)
M
©
Virtual colonoscopy :
• CECT f/b 3D reconstruction.
• Used for screening.
• Advantages :
- Better extracolonic details.
- Better patient compliance. virtual colonoscopy
• Disadvantage : Mucosal details are not well appreciated.
Investigations of Choice :
• Diagnosis : Colonoscopic biopsy.
• Staging : PET-CT.
• T & N staging for rectal Ca : MRI with endorectal coil.
om
B1 C1
C : Muscle involvement with LN positive. B2 C2
l.c
ai
Cl Into muscle layer.
gm
C2 Beyond muscle layer. 7@ Muscle
a4
D : Distant metastasis. Serosa
tiy
ga
Management :
ar
ik
Surgery : Colectomy.
sh
va
• Structures removed :
ar
- Ascending colon
©
om
l.c
ai
gm
LAR APR
7@
a4
Superior hypogastric
M
TaTME :
• Transanal total mesorectal excision.
• Type of NOTES procedures.
• Done in early rectal cancers (T1, T2).
Anal Carcinoma :
• Usually SCC.
• Mx : Nigro’s regime x 1 month (Combined chemoradiation).
If residual disease/recurrence +
Features : Management :
• Sinus/abscess in natal cleft. • Excision Rhomboid/Limberg flap.
• D/t ingrowing of hair. • Bascom’s technique.
• Seen m/c in hairy men. • Kardayakis surgery.
• AKA jeep driver’s disease.
om
l.c
ai
Hemorrhoids/Piles
gm
00:35:54
Clinical Features :
va
• Constipation.
w
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• Painful if :
ar
M
External hemorrhoids
- External (Below dentate line).
©
Investigation :
IOC : Proctoscopy.
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l.c
ai
gm
7@
a4
2. Reactionary hemorrhage.
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3. Pain.
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4. Stenosis.
M
©
5. Incontinence.
6. Recurrence.
Stapler hemorrhoidopexy
Clinical Features :
1. Painful bleeding P/R.
2. Constipation.
3. Skin/Sentinel tag +
(Chronic anal fissure : >4 weeks).
Chronic anal fissure
Types :
Partial thickness Full thickness/complete
• Mucosal prolapse • All layers prolapse
• Common in children • Common in adults
• D/t incomplete sacral curve • D/t weak pelvic floor
om
l.c
ai
gm
7@
a4
tiy
ga
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ik
sh
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Partial prolapse
Complete prolapse
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Management :
w
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• Recurrent :
- Thiersch wiring.
- Sclerotherapy.
Complete thickness :
Perineal procedures Abdominal procedures
Easy to perform Difficult to perform
Less complications ↑↑ complications
High recurrence rate Least recurrence rate
1. Thiersch repair : Purse string sutures 1. Ripstein rectopexy
2. Delorme’s repair : Plication of prolapse 2. Weil rectopexy
3. Altemier : Perineal rectosigmoidectomy 3. Goldman Frykberg : Resection rectopexy
om
Low Anal stenosis Anal agenesis
l.c
ai
Miscellaneous - Persistent cloacal anomaly
gm
A/w other malformations : VACTRL. 7@
a4
Invertogram :
tiy
ga
Patient is inverted
ik
sh
va
ur
X-ray taken
ro
ar
Perianal Abscess :
C/f : Pain & fever.
Mx : Incision & drainage.
Complication : Perianal fistulae.
Perianal abscess
Goodsall’s rule :
• Imaginary line drawn through the anal verge.
• Fistulae anterior to the line Straight tracts.
• Fistulae posterior to the line Curved tract.
• Exception : Long anterior fistula (>3 cm).
Goodsall’s rule
Park’s classification : Watercan perineum :
IOC : MR fistulogram. Multiple perianal fistulae.
Causes :
om
• Crohn’s disease.
l.c
ai
• Trauma.
gm
7@ • TB.
a4
• Cancer.
tiy
ga
• Immunocompromised patient.
ar
ik
sh
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Types of fistulae
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(M/c)
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Sphincter
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©
High
Management : Low
1. Low fistulae :
- Fistulectomy/Fistulotomy. Based on internal opening :
• Above anorectal ring : High.
- LIFT (Ligation of fistulous tract). • Below anorectal ring : Low.
- VAFT (Video assisted fistula therapy).
2. High fistulae : Seton’s procedure (↓Chance of incontinence).
Couinaud Segments :
Liver 7 8 4A 2
LPV
Cantlie line/MHV RPV 3
4B
5
Right hemiliver Left hemiliver 6
RHV LHV
LHV
om
Right Right Left Left RHV MHV
l.c
posterior : anterior : medial : lateral :
ai
MHV : Middle hepatic vein
gm
6, 7. 5, 8. 4A, 4B. 2, 3. LHV : Left hepatic vein
7@
RHV : Right hepatic vein
a4
Note : Cantlie’s line joins IVC to gallbladder.
tiy
Other Features :
ar
Amoebic Pyogenic
• M/c : E. Coli.
Organism Entamoeba histolytica • M/c in asia : Klebsiella.
om
• Chronic granulomatous disease : S. aureus.
l.c
ai
Small/large bowel infection
gm
Route of Portal vein (Laminar flow towards right) 7@ Ascending cholangitis (Via biliary tree).
infection
a4
tiy
Solitary
sh
C/f
|
- More toxic/sick.
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• ↑↑PT/INR
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Labs ↑↑ALP
• Aspirate : Anchovy-sauce pus.
M
©
Features :
Organism : Echinococcus granulosus.
Definitive host : Dog.
Intermediate host : Sheep.
Accidental intermediate host : Man.
C/f : Right hypochondruim pain.
IOC : CECT
Classification :
WHO-IWGE 2001 Gharbi 1981 (USG based) Description
CE 1 Type I Unilocular anechoic cystic lesion with double-line sign.
om
CE 2 Type III Multiseptate, Rosette-like, Honeycomb cyst.
l.c
CE 3a Type II Cyst with detached membranes (Water-lily sign).
ai
gm
CE 3b Type III Cyst with daughter cysts in a solid matrix.
7@
Cyst with heterogeneous hypoechoic/hyperechoic
a4
CE 4 Type IV
tiy
Management :
1. Albendazole (First line).
2. PAIR :
• Percutaneous Aspiration, Injection, Re-aspiration.
• Aspirate fluid Inject scolicidal : Reaspirate agent.
• Hypertonic saline (M/c).
• Cetrimide
• Mebendazole
• Alcohol
Note : Formalin not used. (Causes chemical cholangitis). Water-lily sign
Liver Hemangioma :
• M/c benign tumour of liver.
• Usually asymptomatic.
• CT : Peripheral nodular enhancement.
om
l.c
• No surgical intervention required.
ai
gm
Hepatic Adenoma : 7@
• A/w OCP intake.
a4
Liver hemangioma
tiy
• F >> M.
ik
sh
Clinical presentation :
va
ur
Risk Factors :
1. HBV. 5. Thorotrast.
2. HCV. 6. Aflatoxin.
3. Alcohol. 7. DM.
4. Obesity. 8. NASH/NAFLD.
Features :
• M > F.
om
l.c
• M/c presentation : Hepatomegaly (Hard & nodular liver).
ai
gm
• Paraneoplastic syndromes :
- Hypoglycemia (M/c). - Gynecomastia.7@
a4
- Cushing’s syndrome.
ar
ik
sh
Investigations
va
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Phases Finding
ro
ar
B : Arterial Enhancement
C : Venous Early washout
Note :
• In triple phase CT of metastasis, all phases are hypodense.
• AFP (a-fetoprotein) : Tumour marker for HCC.
om
Class A (5-6) : Least severe.
l.c
ai
Class B (7-9) : Moderately severe.
gm
Class C (10-15) : Most severe. 7@
a4
tiy
MELD PELD
ar
ik
(Model for end stage liver disease) : (Pediatric end-stage liver disease) :
sh
va
1. Creatinine. 1. Albumin.
ur
|
3. INR. 3. INR.
ar
M
4. Growth failure.
©
5. Age (<1yr).
Management :
Localised Advanced
Very early stage (O) : Early stage (A) : Intermediate Advanced stage (C) : Terminal stage (D)
Single 2cm carcinoma Single or nodules stage(B) : Portal invasion N1, M1,
in situ ≤3cm, PST O Multinodular, PST O PST 1-2
om
l.c
ai
Portal pressure
gm
and/or bilirubin
Increased 7@
a4
Associated diseases
tiy
No Yes
ga
Normal
ar
ik
Liver RF/PEI/PVE
sh
va
Moynihan’s Hump :
om
• Tortuous right hepatic artery.
l.c
• Lies in front of Calot’s triangle.
ai
gm
• Injury Torrential bleeding.
7@
a4
Cystic Plate :
tiy
ga
• Flat, ovoid fibrous sheet, continuous with the liver capsule of segments 4 & 5.
ar
• Location : GB bed.
ik
sh
Rouviere’s Sulcus :
w
ro
• Under surface of the right lobe of the liver Right of the hepatic hilum.
ar
M
R4U line :
• Line joining rouviere’s sulcus (R),
Segment 4B & Umbilical fissure.
Rouviere’s
• Above : Cystic artery + Cystic sulcus (R)
duct. 5 4B
• Below : CBD.
• Dissection to be done above R4U
line during cholecystectomy.
Fundus folded inwards
Phrygian Cap :
• Physiological variant.
• Not an indication for cholecystectomy.
• Not a risk for cancer.
Phrygian cap USG
TYPES
om
l.c
IOC : USG Abdomen : Posterior acoustic shadow +
ai
gm
7@
a4
tiy
ga
ar
ik
sh
va
ur
PRESENTATION
ar
M
1. Asymptomatic :
©
----- Active space ----- Note : HIDA scan for acalculous cholecystitis.
om
l.c
Management : Based on Tokyo guidelines.
ai
gm
NPO.
Antibiotics + General supportive care
7@ IV fluids.
a4
tiy
3. Mucocele :
• Aseptic dilatation of GB with mucus.
• D/t impacted stone at neck of GB (Hartman’s pouch).
• Infected Empyema.
• Mx : Cholecystectomy.
Investigations :
om
l.c
a. X-ray abdomen : Erect & supine X
ai
gm
Riggler’s triad seen :
i. Pneumobilia. 7@
a4
b. CECT : Ioc.
ik
sh
va
Management :
ur
|
a. Mx of intestinal obstruction.
w
ro
Complication :
Bouveret syndrome : Gall stone causing gastric outlet obstruction.
6. Choledocolithiasis :
Stones in the CBD
Charcot’s triad Reynolds pentad
Presentation :
Pain + Fever + Jaundice Charcot’s triad +
• Asymptomatic.
Septic shock +
• Obstructive Jaundice. (↑ALP). Intermittent Altered mental status
• Cholangitis : Charcot’s triad.
Investigations :
1. MRCP : IOC.
2. Endoscopic ultrasound (EUS) : IOC for CBD microliths.
MRCP : Choledocholithiasis
Surgery Revision • v4.1 • Marrow 8.0 • 2025
122 Surgery
Management :
1. CBD/GB stone detected before cholecystectomy :
ERCP F/b Cholecystectomy. ERCP
2. CBD Stones detected during surgery :
om
• Side viewing
Lap cholecystectomy +
l.c
endoscope used
ai
Exploration of CBD to remove stones • Endoscope visualised
gm
• S/E : Pancreatitis
7@
a4
T-Tube insertion Dye injected after 5-7 days
tiy
ga
ar
Remove T-Tube.
va
ur
Retain T-Tube
ro
ar
2-3 wks
M
Be safe method
Visualise the following :
• Bile duct. Cystic artery
• Sulcus of rouviere. Cystic duct
• Hepatic artery.
• Umbilical fissure.
• Duodenum.
Critical view of safety (Lap. view)
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Hepatobiliary and Minimally Invasive Surgery 123
Complications :
1. Right shoulder tip pain (M/c) : D/t retained co2 irritating diaphragm.
2. Bleeding.
3. CBD injury.
4. Residual/recurrent stones.
5. Post cholecystectomy syndrome : Pain d/t to Retained stones.
om
Sphincter of oddi dysfunction.
Bile Duct Injury :
l.c
ai
gm
Bile leak during surgery : Surgical repair.
Bile leak after surgery : 7@
a4
Major leak :
sh
Minor leak
va
• No fever • Jaundice +
|
• Pain +
w
ro
GB Cancer 00:51:00
Risk Factors :
om
1. Gallstones (90%).
l.c
ai
2. Salmonella typhi carrier.
gm
3. Porcelain gall bladder. 7@
4. GB polyps (>1 cm in size, multiple).
a4
tiy
cholangiocarcinoma.
va
Clinical Features :
M
©
1. GB mass.
2. Jaundice (Late sign).
Management :
IOC : CECT (Used for staging also)
PET-CT (IOC for staging).
Stage Feature Rx
GB polyp
T1a Above muscle layer Simple cholecystectomy
Involves muscle • Radical/Extended cholecystectomy Radical cholecystectomy
T1b
layer • No chemotherapy Structures removed :
1. Radical cholecystectomy 1. GB.
T2, T3 2. Chemotherapy (Gemcitabine) f/b 2. Liver segments 4B & 5.
radiotherapy ± 3. Lymph node along
Gemcitabine chemotherapy hepatoduodenal ligament.
Invades adjacent Good response 4. CBD (If involved)
T4
structures
Surgery
Patent
om
l.c
Associated Anomalies :
ai
gm
• Cardiac lesions. • Absent vena cava.
• Polysplenia. 7@
• Pre duodenal portal vein.
a4
• Situs inversus.
tiy
ga
ar
Clinical Features :
ik
sh
i. Neonatal hepatitis.
ur
|
Investigations :
1. Fasting USG (Gold standard) : Atretic biliary tree.
2. MRCP : Sensitive + Specific.
3. Liver Biopsy : Confirmatory.
Management :
1. EHBA : M/c indication for liver transplant in children.
2. Kasai procedure : Portoenterostomy.
Stomach
Small intestine
Duodenum connected to liver
Kasai’s procedure
Diverticulum
Type II Diverticulum of CBD
resection & repair
ERCP +
Dilatation of
Sphincterotomy +
Type III intraduodenal portion of
om
Removal of abnormal
CBD (Choledochocele)
l.c
mucosa
ai
gm
Intrahepatic +
7@
Type IV A Extrahepatic biliary tree Liver transplant
a4
tiy
dilatation
ga
ar
Type IV B
sh
Dilatation of only
|
w
(Caroli’s disease)
M
©
Features :
↑Risk of cholangiocarcinoma.
C/f : Lump, Jaundice, pain.
IOC : MRCP.
Pancreas Divisum :
• M/c congenital anomaly of pancreas. Common bile duct
Dorsal duct of saantorini
• Failure of fusion of dorsal & ventral ducts
Ineffective drainage
Ventral duct of wirsung
↑Risk of pancreatitis.
Mx : ERCP + Sphincterotomy.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Hepatobiliary and Minimally Invasive Surgery 127
Obstruction.
Features : Non-bilious vomiting (M/c) + Double bubble sign.
Mx : Duodeno-duodenostomy.
Causes : Pathophysiology :
1. Gall stones (M/c). Theory of co-localisation : Activation of
2. Alcohol (2nd m/c). pancreatic enzymes within pancreas
om
l.c
3. Trauma (M/c cause in children).
ai
gm
4. Drug induced (ART/Chemotherapy/ Autodigestion
Thiazides). 7@
a4
5. Hyperparathyroidism. Inflammation.
tiy
ga
6. Scorpion bite.
ar
ik
sh
Clinical Features :
va
1. Epigastric pain :
ur
|
Cullen’s sign
M
om
l.c
CT Criteria for Pancreatitis :
ai
gm
Acute peripancreatic
7@
Acute necrotic collection Walled-off necrosis Pseudocyst
collection
a4
tiy
No fully definable wall No fully definable wall Well defined wall Well defined wall
va
Mx : Pigtail catheter. -
ur
|
w
1. Pseudocyst.
M
Pseudocyst 01:07:47
Stomach
Features :
• False cyst : Lined by granulation tissue.
• M/c site : Lesser sac.
C/f : Epigastric mass, nausea & vomiting, Lesser Sac
↓appetite.
Pancreas
IOC : CECT.
Pseudocyst
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Hepatobiliary and Minimally Invasive Surgery 129
Management :
• Mostly resolves spontaneously.
• Indications for intervention >6cm size.
>6 weeks old.
>6mm thickness of wall.
Intervention :
om
1. External drainage : 2. Internal drainage :
l.c
- For infected cyst. - Cystogastrostomy.
ai
gm
- C/1 : Communication with - Cystojejunostomy.
7@
pancreatic duct (D/t risk of
a4
tiy
fistula formation).
ga
ar
Chronic Pancreatitis
ik
01:10:09
sh
va
Causes :
ur
|
TIGAR-O classification.
w
ro
• Idiopathic.
©
• Genetic/Hereditary :
- PRSS I mutation : Hereditary pancreatitis.
- SPINK I mutation : Tropical calcific pancreatitis (D/t cassava consumption,
↑risk of Ca).
• Autoimmune (IgG4).
• Recurrent (D/t stones).
• Obstruction.
Clinical Features :
1. Malabsorption & steatorrhea : D/t exocrine insufficiency.
2. DM : D/t endocrine insufficiency (↓Insulin).
3. Pain : Stones in main pancreatic duct (MPD) Ineffective drainage.
om
l.c
b. Duval’s : End to End anatomosis. Beger’s procedure.
ai
gm
7@
a4
tiy
Jejunum
ga
ar
ik
sh
va
ur
01:14:18
M
©
Rx : Enucleation.
Clinical Features :
1. Recurrent ulcers.
2. Ulcers at atypical locations.
3. Diarrhea, malabsorption.
Investigations :
1. S. gastrin >1000 pg/ml : Diagnostic.
2. S. gastrin <1000 pg/ml Secretin/pentagastrin stimulation test
om
↑s. Gastrin by >200 pg/mL Gastrinoma + .
l.c
ai
gm
3. EUS : For localisation.
7@
Passaro’s Triangle :
a4
tiy
ga
Boundaries Contents
ar
2. D2-D3 junction.
2. Head of pancreas.
va
3. Lymph nodes.
with body of pancreas.
|
w
Gastrinoma triangle/
ro
Management :
1. Surgery.
2. Chemotherapy : If malignant.
GLUCAGONOMA
Clinical features : 4 Ds
1. DM.
2. Dermatitis.
3. DVT.
4. Depression.
Risk Factors :
• Smoking.
• Obesity.
• DM.
• African American.
• Alcohol.
• Hereditary pancreatitis : PRSS gene.
• Tropical calcific pancreatitis : SPINK I gene.
• Chronic pancreatitis.
• Syndromes : Peutz Jeghers syndrome (>100 times risk).
om
l.c
ai
Genetic mutations : KRAS (1st & m/c) CDKN2A SMAD4 P53(Last).
gm
Clinical Features : 7@
a4
Types :
va
ur
4. Duodenal adenocarcinoma.
©
Investigations :
1. CECT : IOC.
2. MRCP : Double duct sign.
3. Duodenography : Frostberg reverse 3 sign.
4. PET-CT : IOC for staging. PD
CBD
5. Ca 19-9 : Tumour marker.
CJ
om
l.c
Ohashi’s triad :
ai
GJ Fish mouth appearance
gm
PJ + Mucin from ampulla
7@
+ Dilated main pancreatic duct.
a4
tiy
ga
ERCP
ar
Whipple’s anastomoses
ik
sh
va
Laparoscopy 01:23:53
ur
|
w
Pneumoperitoneum :
©
Instruments :
1. Veress needle :
• Used in closed method to create pneumoperitoneum.
• Has bevelled edge.
Veress Needle
Surgery Revision • v4.1 • Marrow 8.0 • 2025
134 Surgery
om
5. Laparoscopic instruments :
l.c
ai
gm
7@
a4
tiy
ga
ar
ik
sh
1. SILS :
• Single incision Laparoscopic surgery
• Multiple instruments can be inserted from a
single post.
2. Robotic surgery : Da vinci system
• Advantages :
SILS port
i. Finer dissection.
ii. Better movement (7 degrees of freedom).
iii. Tremor reduction.
• Disadvantages :
i. Expensive.
ii. Loss of tactile feedback.
3. NOTES : Natural Orifice Transluminal Endoscopic Surgery
• Eg : POEM, TATME, TOGA.
• No scar over abdomen.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Urology : Part 1 135
om
• F Vagina (C/f : Urinary dribbling).
l.c
2
ai
gm
Ix : Intravenous Urogram (IVU)
• Dye : Urograffin. 7@
a4
Mx : Re-implantation of ureter.
va
Types :
M
©
Extrarenal manifestations :
1. Liver cysts (M/c).
2. Cysts in spleen, pancreas or lungs.
3. Colonic diverticulosis.
4. Mitral valve prolapse.
5. Berry aneurysms in circle of willis.
Rupture
Subarachanoid haemorrhage (SAH) Polycystic Kidney
Horseshoe kidney :
• Lower poles (Both kidneys) Ascent restricted by :
. fused at L3-L4 level Inferior mesenteric artery.
• Adrenal glands : Normal position.
(D/t separate embryogenesis).
• IVU : Flower vase/hand shake sign.
Mx :
• Pyeloplasty (If hydronephrosis/malrotated pelvis).
om
• Do not cut fused portion (Risk of devascularization).
l.c
Horseshoe kidney
ai
gm
Hydronephrosis : 7@
Intermittent partial/complete blockade of urine flow
a4
tiy
ga
Unilateral hydronephrosis :
sh
va
Causes :
ur
|
M/c cause • M/c cause of congenital • Usually U/L; never cut it.
M
©
om
• BPH. • Phimosis.
l.c
• Bladder outlet obstruction. • Meatal stenosis.
ai
gm
(Eg : Urethral stricture)
7@
Ix :
a4
tiy
pentaacetate triglycine
(DTPA) scan (MAG3) scan
Renal Stones 00:12:40
Types :
Stones Features Image
• M/c type, radio-opaque.
• Formed in acidic urine.
• Types :
1. Monohydrate :
Calcium - Dumb-bell shaped.
oxalate - Very hard.
2. Dihydrate :
- Envelope shaped.
- Spiculated margins (Mulberry stones) :
Present early (Pain + hematuria).
om
- Tumour lysis Syndrome.
l.c
- Gout.
ai
gm
Rare stones :
7@
• Xanthine
a4
tiy
• Triamterene Radiolucent
ga
Presentation :
va
ur
om
l.c
• Pregnancy • Obese
ai
• Uncontrolled bleeding disorder • Very hard stones
gm
• Cardiac Pacemaker (Cysteine > Calcium oxalate monohydrate)
• Stone size > 1.5 cm • Obstructed system
7@
a4
Fails or C/I
ik
sh
PCNL RIRS/URS
va
ur
|
w
ro
Dormia
basket
om
Bladder Stones & VUR 00:22:39
l.c
ai
Bladder Stones :
gm
M/c : Children. 7@
a4
M/c stones : Mixed urate.
tiy
Mx :
ga
ar
If C/I d/t :
va
• Urethral stricture.
ur
• Bladder diverticulae.
|
w
Bladder stone
Suprapubic cystolithotomy
ro
ar
Vesicoureteric reflux :
M
©
Grades :
Grade 1 : Reflux into non dilated ureter.
Grade 2 : Reflux into pelvis but no distension.
Grade 3 : Reflux with mild distension.
Grade 4 : Blunting of calyces/tortuous ureter.
Grade 5 : Severe distension of ureter along
with loss of papillary impressions.
Ix : Micturating cystourethrogram (MCU). MCU : VUR
Rx :
• Grade 1, 2, 3 : Prophylactic antibiotics.
(D/t recurrent UTIs)
• Grade 4, 5 : Prophylactic antibiotics Sub ureteric
Do not recover Teflon injection
STING procedure.
(Prevent urinary reflux) STING procedure
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Urology : Part 1 141
RENAL TUBERCULOSIS
2° infection d/t hematogenous spread.
Presentations :
Ulcers Caseous necrosis Calcification (Putty/cement kidney)
Perinephric
abscess
Perinephric abscess
Damaged/ghost calyx Kerr's kink
Pseudo calculi
Papillary ulcer
(Earliest)
om
l.c
ai
gm
7@
Putty kidney
a4
Stricture
tiy
Shortening of ureter
ga
ar
Golf-hole
va
Urethroscopy
M
©
Low density
IOC : CECT masses +
Stones
om
l.c
Antibiotics + drainage
ai
Fails
gm
Mx Subcapsular nephrectomy
Nephrectomy. 7@
a4
tiy
Renal Tumours
ga
00:32:24
ar
ik
Class 1 2 2F 3 4
Minimally complex
Description Simple cyst Minimally complex Indeterminate Clearly malignant
(Need follow up)
USG/CT Partial Partial/Total
work up Nil
Follow up nephrectomy nephrectomy
% risk of
malignancy 0% 5% 50% 100%
Ix : CECT (IOC).
Fat
Mx :
• <4cm + asymptomatic : Observation. CECT : Angiomyolipoma (Bosniak : 3)
• >4cm + symptomatic : Partial nephrectomy or nephron sparing Sx.
• Bleeding + : Angioembolisation F/b Partial nephrectomy.
Oncocytoma :
M/c benign tumour of kidney.
om
l.c
HPE :
ai
• Eosinophilic cytoplasm
gm
Cell rich in mitochondria.
(Plant like cell, raisin like nucleus) 7@ HPE : Oncocytoma
• Tan brown appearance.
a4
tiy
Mx <4cm : Observation.
ro
ar
----- Active space ----- Clear cell RCC Papillary RCC Chromophobe
Arises Proximal convoluted PCT > Distal convoluted tubule
-
from tubule (PCT) (DCT)
Psammoma bodies
Plant-like cells and
HPE Clear cells • Seen : Long term dialysis.
raisin-like nucleus.
• Foci of dystrophic calcification.
Other • Best prognosis.
M/c type -
features • Cytokeratin + .
Note :
• Collecting duct RCC has worst prognosis.
• Medullary RCC : A/w sickle cell anemia.
Psammoma
bodies
om
Plant-like cells +
l.c
raisin-like nucleus
ai
gm
7@
a4
tiy
ga
C/f :
sh
va
Endocrine Nonendocrine
M
• Hypercalcemia.
©
• Hypertension. • Amyloidosis.
• Polycythemia. • Anemia.
• Nonmetastatic hepatic dysfunction : Stauffer syndrome. • Vasculopathy.
• Galactorrhea. • Coagulopathy.
• Cushing’s syndrome.
Note :
Stauffer Syndrome : IL-6 mediated, labs (↑s. bilirubin,↑ALP) Improves after Sx.
Ix : CECT (IOC).
om
supradiaphragmatic inferior vena cava.
l.c
Tumor invades beyond
ai
gm
the Gerota fascia and/or
T4 -
contiguous extension into the 7@
a4
ipsilateral adrenal gland.
tiy
Distant metastasis
|
M0 No distant metastasis
w
ro
ar
M
Mx :
©
1. Partial nephrectomy :
Indications Relative indications
• T1 tumours (< 7 cm). RCC in a kidney where other
• Restricted to poles. kidney is affected by :
• B/L RCC. • Hydronephrosis.
• RCC in solitary functioning kidney. • Stones.
2. Radical nephrectomy :
Structures removed :
• kidney • Gerota’s fascia.
• Para-aortic lymph nodes. • Ureter till the brim.
• ± I/L adrenal gland.
3. Cryoablation of renal tumours : T1a RCC (<4cm).
Tumour freezing (-20 degrees) in Elderly patients.
Advanced/metastatic tumours.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
146 Surgery
om
- Anirdia.
l.c
ai
- Genitourinary malformations.
gm
- Mental retardation. 7@
a4
tiy
Prostate 00:00:37
Zones of Prostate :
• Transitional zone : M/c involved in BPH.
• Peripheral zone : M/c involved in cancer.
Corpora Amylacea :
• Lamellated eosinophilic stones.
• Precursor for prostatic stones (CaPO4 ).
om
l.c
ai
gm
7@
a4
Voiding Storage
va
• Hesitancy.
ur
Poor flow.
• Nocturia.
w
• Intermittent stream.
ro
• Urgency.
ar
• Post-void dribbling.
• Urge incontinence.
M
Components :
Dynamic : Static :
↑Smooth muscle tone. Stromal hyperplasia.
Management :
Medical Mx : α-blockers + 5α reductase inhibitors.
om
1. α-blockers : Tamsulosin.
l.c
ai
• Fast acting.
gm
• ↓Muscle tone (Action on dynamic component).
a4
7@
2. 5α reductase inhibitors :
tiy
Surgical Mx :
ur
3. Nd YAG (M/c).
M
©
TURP Prostatic
urethra
Irrigation fluid :
1. 5% dextrose. Sphincter
2. Distilled water.
3. Isotonic glycine (M/c used).
4. Normal saline : Only with bipolar cautery. Verumontanum
(Distal limit of resection)
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Urology : Part 2 149
om
- Management :
l.c
• Mild (120 - 130 mEq/L) : Water restriction.
ai
gm
• Severe (<120 mEq/L) : 3% hypertonic saline (≤8-10 mEq/L/day gradually).
7@
a4
Prostatic Cancer
ar
00:12:04
ik
sh
va
Risk Factors :
ur
----- Active space ----- Risk group ISUP grade group Gleason score
Low 1 ≤6
Intermediate (Favourable) 2 7 (3+4)
Intermediate (Unfavourable) 3 7 (4+3)
High 4 8
High 5 9-10
Management :
T1, T2a
om
• G3, G4 tumours. • G1, G2 tumours.
l.c
ai
Structures removed :
gm
• Prostate.
• Iliac + obturator lymph nodes. 7@
a4
• Seminal vesicles.
tiy
ga
ar
T2b, T3, T4
ik
sh
va
Metastasis
om
Urine drainage
• Red : 18 Fr.
l.c
Irrigation port
ai
2 channels • 3 channels.
gm
Types of Foley’s : • Used in clot retention.
7@
• Rubber Foley’s : 25-30 days.
a4
tiy
Bladder Trauma
ur
00:20:12
|
w
ro
2° to blunt/penetrating trauma to
2° to pelvic fracture
©
a full bladder
A/w deep perineal hematoma A/w peritonitis, syncopal attack
IOC : CT urography
Mx : Foley’s/suprapubic catheter Mx : Laparotomy + Bladder repair MCU
(SPC) x 7 days in 2 layers + Foley’s/SPC
Types :
1. Transitional cell carcinoma : 2. Squamous cell carcinoma :
• M/c overall. • M/c in Africa.
• Etiology (3Cs) : • Etiology (2S) :
- Chemical. - Smoking.
- Cyclophosphamide. - Schistosomiasis.
- Cigarettes.
om
Ta : Non invasive papillary carcinoma
l.c
Tis : Carcinoma in situ Superficial.
ai
gm
T1 : Above muscle layer
7@
a4
Management :
tiy
Length :
• Female : 3-4 cm. Prostatic
• Male : 18-21 cm. Membranous
Bulbar
Parts :
Penile
• Proximal : Membranous + prostatic urethra.
• Distal : Penile + bulbar urethra. Retrograde urethrogram (RGU)
Hypospadias 00:28:46
Features : Types :
• M/c congenital urogenital anomaly.
om
• Ventrally placed urethral opening.
l.c
• A/w micropenis & undescended testis.
ai
gm
• M/c & most mild type : Glanular.
7@
• Most severe : Perineal. More
a4
tiy
• Infertility.
ur
|
• O/E :
w
ro
- Hooded prepuce.
©
Management :
Steps of Sx :
Orthoplasty Urethroplasty Glanuloplasty Skin cover.
(Chordee (Placement of urethral
correction) opening at normal position)
Surgeries :
1. Single stage procedures :
• Distal hypospadias : Mustardee, Mathieu. Hypospadias
• Mid hypospadias : Snodgrass, TIP.
2. Double staged procedure : Proximal hypospadias.
Thiersch duplay, Dennis brown.
Note : Circumcision is contraindicated as foreskin is used for reconstruction.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
154 Surgery
Clinical features :
• Urine dribbling from bladder.
• Undescended testis.
• Bifid clitoris.
• Pubic diastasis.
om
Types :
l.c
ai
Anterior urethral injury Posterior urethral injury
gm
Injured part Penile/bulbar urethra 7@
Membranous/prostatic urethra
a4
Mode of injury Direct trauma/straddle injury Secondary to pelvis fracture
tiy
Management :
ro
ar
IOC : RGU.
M
Treatment :
©
Suspected trauma
Complications :
Urethral stricture
Young’s classification :
Type 1 (M/c) : Anteroinferior to verumontanum.
Type 2
Rare.
Type 3 (Cobb’s collar)
om
l.c
ai
Clinical features : MCU
gm
Male child with recurrent UTI.
7@
a4
Investigation :
tiy
ga
1. MCU
Keyhole sign.
ar
2. USG
ik
sh
va
USG
|
w
Phimosis
ro
00:37:28
ar
M
Clinical features :
• Asymptomatic.
• Symptomatic :
- Ballooning of foreskin.
- Balanoposthitis.
- Difficult micturition.
Mx : Circumcision.
Paraphimosis 00:37:50
Peyronie’s Disease :
Calcific deposition in corpora P enis bends
to one side.
om
• Erection >6 hours Ischemia/necrosis of penis.
l.c
ai
gm
Types :
7@
High flow priapism Low flow priapism
a4
tiy
• Trauma. • Children
sh
Causes
• Spinal injury. • Leukemia.
va
ur
Premalignant Conditions :
• Bowens disease of the shaft.
• Erythroplasia of Queyrat (Reddish papules).
• Balanitis xerotica obliterans.
• Genital warts : HPV.
• Leukoplakia. Ulceroproliferative lesion
Management :
Dx : Biopsy of lesion.
Tumor Mx
A. In situ carcinoma Topical 5-FU/laser
B. Distally placed Partial penectomy (If residual stump : ≥2 cm)
C. Proximally placed Total amputation + Perineal urethrostomy
Lymph node Mx
om
Not enlarged Sentinel lymph node biopsy.
l.c
ai
T3 , T4 Prophylactic superficial inguinal lymph node dissection Total amputation +
gm
Ilioinguinal lymph node clearance
Enlarged 7@
Ilioinguinal lymphnode clearance or radiotherapy
a4
tiy
Testicular Descent :
ik
sh
Triggers :
va
ur
2. Hormonal factors.
ro
ar
Normal descent :
Iliac fossa Inguinal canal Superficial ring Scrotum
(6 months) (7 months) (8 months) (9 months)
Features :
• M/c site : Inguinal canal.
• Right > Left.
• B/L : Cryptorchidism.
Changes Complications
• Decreased volume • T : Trauma
• Increased risk of intra tubular germ cell neoplasm. • E : Epididymoorchitis
• Sertoli cells : More affected • S : Sterility
(Spermatogenesis affected) • T : Torsion
• Leydig cells : Less affected • I : Indirect inguinal hernia (M/c)
(Normal secondary sexual character) • S : Seminoma
Malignancy risk :
• M/c : Seminoma.
• Risk of cancer :
- Sx before puberty : 2-3 times
More than the general population
- Sx after puberty : 5-6 times
Management :
1. B/L non-palpable testis :
β-hCG injection given
om
l.c
ai
gm
No response Increased testosterone
7@
(And increased FSH, LH)
After 5-6 months
a4
tiy
Laparoscopy
ur
|
Orchidopexy
w
• Manoeuvre to bring
ar
Risk Factors :
• Testicular inversion.
• Torsion of cyst of Morgagni Blue dot sign.
• Undescended testis.
• Bell Clapper testis (High attachment of tunica vaginalis).
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Urology : Part 2 159
Note :
• Twisting within :
- <6 hours : ≈ 100% salvageable.
- >24 hours : <20% salvageable.
• Prophylactic orchidopexy is done on the other side always.
om
00:52:42
l.c
ai
HYDROCELE
gm
Accumulation of fluid in tunica vaginalis. a4
7@
M/C : Vaginal hydrocele.
tiy
ga
1. Primary :
sh
va
• D/t ↓ absorption.
ur
• M/c type.
|
w
• C/f : Transillumination +
ro
ar
- Tense swelling.
M
©
Management :
Surgery Smaller sac : Lord’s plication.
Larger sac : Jaboulay’s procedure (Eversion of sac).
VARICOCELE
Features :
• Dilated tortuous pampiniform plexus of veins.
Clinical Features :
• Majority : Asymptomatic.
• Infertility.
O/E : Bag of worms consistency.
Mx :
IOC : Doppler.
Rx : Percutaneous embolisation of gonadal veins (1st line).
om
l.c
• Percutaneous Rx not possible.
ai
• Recurrence.
gm
7@
Surgical ligation : Microsurgical varicocelectomy.
a4
tiy
Features :
sh
Meleney’s gangrene
va
- DM.
M
©
- Alcoholics.
• Testis spared d/t dual blood supply.
Management :
1. Aggressive debridement.
2. Broad spectrum antibiotics + IV fluids.
3. Hyperbaric oxygen (Latest).
Most Common :
• In children : Yolk sac tumour.
• Overall : Seminoma.
• In elderly : Lymphoma.
Cannonball metastasis
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Urology : Part 2 161
Tumour Markers :
1. AFP
2. β-hCG Included in TNMS staging.
3. LDH
4. PLAP : ↑ in seminoma (Not included in TNMS). Seminoma
Diagnosis :
Suspected case C hevassu manoeuvre : + High inguinal orchidectomy.
om
l.c
High inguinal incision
ai
gm
f/b frozen section.
7@
HPE : Seminoma Lymphocytic infiltration (Good prognosis).
a4
tiy
ga
Management :
va
Post orchidectomy.
ur
|
w
ro
II Chemo BEP
Chemo BEP + RPLND
III & IV Chemo BEP + RT
BEP : Bleomycin + etoposide + cisplatin.
RPLND : Retroperitoneal LN dissection.
Graft 00:00:38
Split thickness skin graft (STSG) Full thickness skin graft (FTSG)
Donor site
AKA Thiersch graft AKA Wolfe graft
Epidermis & part of dermis taken Epidermis & whole dermis taken
M/c donor sites : M/c sites :
• Anterolateral thigh • Post auricular skin
• Buttocks • Supra/infraclavicular skin
om
l.c
Only dressing done for donor site after
ai
Donor site sutured after harvesting graft
gm
harvesting graft
Donor site can be reused 7@ Donor site cannot be reused
a4
Recipient site
tiy
ga
Occurs when graft has been placed on the • Occurs immediately after harvesting graft
ik
• Cosmetically better
ur
Meshing of STSG
• ↑surface area of graft
• Prevents hematoma formation
FTSG
Graft Survival :
Methods :
1. Imbibition : 1 - 2 days.
2. Inosculation : 2-4 days (Graft draws nutrients by giving out buds).
3. Neovascularization : >4 days (Anastomosis of graft & recipient).
Random Flaps :
• Based on dermal vessels.
om
• Eg : V-Y plasty/Z-plasty.
l.c
ai
• Elongation of wound :
gm
Helps in post burn contractures. 7@
Z-plasty
a4
tiy
ga
Rhomboid/Limberg flap :
ar
V-Y plasty
ik
1. TRAM : Transversus rectus 2. DIEP : Deep inferior epigastric artery perforator flap
abdominis myocutaneous flap. • Only skin + fat No abdominal wall weakness.
Muscle used for flap ↑risk of incisional hernias • Best flap for breast reconstruction.
Free Flap :
Disconnected from donor site Anastomosed at recipient site.
om
l.c
ai
gm
7@
a4
tiy
• Gastrocnemius
M
Flap Failure :
D/t vessel blockade.
Arterial block Venous block
Temperature Cold Warm
Color Pale Congested
Capillary refill Reduced Quick
Pinprick ↓Blood flow ↑Blood flow Breast flap failure
om
l.c
• Malnutrition.
ai
gm
• Maceration of area.
7@
Prevention :
a4
tiy
Management :
ur
|
Phases :
Hemostasis Inflammation phase Proliferative phase Remodelling.
Wound Strength :
• 10% of normal : After 1 week.
• 70-80% of normal (Maximum) : After 3 months/12 weeks.
• Original strength is never regained.
Collagen type :
Type 3 (Initially) Type 1 : Type 3 = 4 : 1.
(In remodelling)
Types of Healing :
1. Primary intention : Clean incised wound Sutured Good scar.
om
2. Secondary intention : Wound left open Gradual contracture ↑
Granulation tissue,
l.c
ai
(D/t infection) hypertrophic scar.
gm
7@
3. Tertiary intention : Wound left open initially Sutured after few days.
a4
(Delayed primary closure)
tiy
ga
ar
Doesn’t subside with time & pressure Subsides with time & pressure
©
Features :
• Seen in 1 in 600 live births.
• Males > females.
• M/c defect : Combined lip plus palate.
Cleft lip
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Speciality Surgery 167
Management :
Cleft palate : Cleft lip :
• Timing : • Timing of repair : 3 - 6 months.
om
- Soft palate : 3 - 6 months. • Repair techniques :
l.c
- Hard palate : 9 - 12 months. - Millard.
ai
gm
• Repair techniques : - Tennison.
7@
- Wardill-Kilner.
a4
tiy
- V-Y plasty.
ga
ar
ik
Transplant Surgery
sh
00:20:34
va
ur
Types of Grafts :
|
Maastricht Classification :
Maastricht
Presentation of death DCD situation Organs procurable
classification
I Dead on arrival Uncontrolled Heart valves, cornea
II Unsuccessful resuscitation Uncontrolled Kidney, heart valves, cornea
III Anticipated cardiac arrest Controlled
IV Cardiac arrest in brain dead donor Controlled All organs except heart
V Unexpected cardiac arrest in a hospital patient Uncontrolled
Advantages :
• Flushes out blood to prevent thrombosis. Cold ischemia time
• Cools organs : ↓Metabolic needs. • Longest : Kidney (24-36 hrs)
• Replaces ECF with preservative fluid. • Shortest : Heart (3-6 hrs)
om
l.c
Advantage : Early allograft function (Replenishes depleted ATPs).
ai
gm
Renal Transplant 7@ 00:24:05
a4
om
5. Renal vein thrombosis : M/c vascular complication.
l.c
ai
gm
Liver Transplant 00:28:45
7@
a4
Indication :
tiy
ga
Types :
|
w
Sequence of Anastomosis :
1. Suprahepatic IVC.
2. Infrahepatic IVC.
3. Portal vein.
4. Hepatic artery.
5. Bile duct.
Surgery Revision • v4.1 • Marrow 8.0 • 2025
170 Surgery
om
• One lesion ≤ 5cm.
l.c
ai
• Two to three lesions ≤3 cm.
gm
• No vascular invasion 7@
On imaging.
a4
• No metastatic disease
tiy
ga
Candidates :
ar
Subarachnoid Hemorrhage :
Clinical features : Thunderclap headache (worst headache of life).
Diagnosis :
• NCCT.
• Xanthochromia in CSF (Delayed).
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Speciality Surgery 171
om
• M/c cancer metastasizing to cerebrum : Lung cancer.
l.c
• M/c cancer metastasizing to leptomeninges : Breast cancer.
ai
gm
Management :
7@
• Radiotherapy : For multiple mets.
a4
tiy
Astrocytoma :
va
Grade I :
ur
|
• Pilocytic astrocytoma.
w
ro
Grade 4 :
• Glioblastoma multiforme (Bad prognosis).
• Crosses corpus callosum.
• Forms butterfly shaped tumour.
• Rx :
- Surgery Radiotherapy. Butterfly tumor
- Oral temozolomide.
Oligodendroglioma :
• Chicken wire vascularity.
• Fried egg appearance.
HPE
Surgery Revision • v4.1 • Marrow 8.0 • 2025
172
om
l.c
• Treatment given • Last meal
ai
gm
• Events leading to trauma
7@
a4
Transfer of patient :
tiy
Thorax.
ik
sh
Pelvis.
va
ur
|
w
ro
ar
M
©
At impact
Within 1 hour
Days/weeks
Mortality
Time
om
Triage :
l.c
ai
Sort out on the basis of treatment priority.
gm
Priority group 7@
Description
a4
Immediate • Mx : immediate
ik
sh
• Includes fractures
P2 Urgent Yellow
va
• Mx : First aid
M
• Moribund patients
©
• Rx :
P4 Expectant Blue
- supportive care (Pain relief)
- Definitive Rx not possible
- Dead Black Dead bodies
ATLS :
Followed by
1° Survey 2° Survey
(Stabilizing life threatening injuries : ABCD) (Detailed : to look for other injuries).
om
if fails
• Coma
l.c
• Severe maxillofacial Emergency mx : Definitive mx :
ai
gm
injury
Needle cricothyroidotomy Tracheostomy
7@
a4
Tracheostomy
Note :
tiy
ga
Nasotracheal intubation : C/I in head injury (D/t anterior cranial fossa #).
ar
ik
Needle cricothyroidotomy :
sh
om
l.c
ai
gm
7@
a4
tiy
ga
ar
ik
CRASH-2 trial :
ur
|
Tranexamic acid :
ro
Pelvic binder :
• Used in trauma + hypovolemic shock.
• Bed sheet/formal binder tied till
pelvic # is ruled out.
• Stops bleeding by tamponade effect.
Pelvic binder
Damage control resuscitation :
• Permissive hypotension.
• Minimization of crystalloids.
• 1 : 1 : 1 blood product ratios.
• Early haemorrhage control.
om
l.c
Cannot be tested NT
ai
gm
Obeys commands 6
7@
Moves to localised pain 5
a4
No response 1
va
ur
|
Mild : 13-15.
M
MECHANISMS
Blunt Abdominal Trauma :
Mx :
FAST Hemodynamically Stable : CECT abdomen (IOC).
om
l.c
(First Ix) Unstable : FAST (IOC) Fluid + O pen exploration
ai
gm
or laparotomy.
7@
Focused assessment sonogram in trauma (FAST) :
a4
tiy
• Probe placement :
va
ur
Order Sites
|
2 Right hypochondrium
ar
M
3 Left hypochondrium
©
4 Suprapubic region
• eFAST (Extended FAST) : Probe placed at 4
(FAST sites) + 2 (Right + Left thorax).
• Disadvantages :
- Will not reliably detect < 100 cc of Sites of probe placement
free blood.
- Does not directly identify hollow viscus
injury.
- Not reliable in penetrating trauma.
- may need repeating/supplementing with
other investigations.
- Unreliable for assessment of
retroperitoneum.
FAST : hypoechoic collection
om
l.c
Diagnostic peritoneal lavage (DPL) :
ai
• Indication : FAST is not available. Omentum
gm
• Positive DPL : 7@ Penetrating trauma
a4
Any 1 +
- >500 WBC/mm3 Sx : Laparotomy.
ik
sh
SPLENIC TRAUMA
ar
M
• Subcapsular hematoma > 50% SA, ruptured subcapsular or intraparenchymal hematoma ≥ 5 cm.
Grade 3
• Parenchymal laceration > 3 cm depth
• Any injury in presence of splenic vascular injury or active bleeding confined within splenic capsule.
Grade 4
• Parenchymal laceration involving segmental/hilar vessels producing ≥ 25% devascularisation.
Grade 5 Shattered spleen.
Splenic trauma
Management :
Grade of injury Hemodynamic status Ix Management
• Conservative (Monitor vitals,
om
hematocrit, serial 24h CECT)
l.c
• If ↑ grade of injury/contrast
ai
gm
blush on CT
7@
I and II Usually stable CECT (10C)
a4
Angioembolization
tiy
Fails/unstable
ga
ar
Sx : Splenic preservation/
ik
Splenorraphy
sh
va
ur
III
w
Post-splenectomy Complications :
1. Left lower lobe atelectasis : M/c complication.
2. Haemorrhage.
3. Pancreatic injury : Tail of pancreas affected.
4. Hematological changes :
- Transient ↑in all 3 cell lines (Persist x 2 weeks).
- Permanent changes : Basophilic stippling, Reticulocytes, Howel Jolly bodies,
Hypersegmented WBC’s.
5. Opportunistic post splenectomy infections (OPSI) :
- M/c organism encapsulated bacteria :
• Pneumococcus (M/c organism).
• Meningococcus.
• H. influenzae.
om
• Hematoma : Subcapsular, 10 - 50% SA.
l.c
Grade 2 • Hematoma : Intraparenchymal, <10 cm diameter.
ai
• Laceration : Capsular tear 1 - 3 cm parenchymal depth, < 10 cm length.
gm
• Hematoma : Subcapsular, > 50% SA. 7@
•
a4
Hematoma : Intraparenchymal, > 10 cm.
Grade 3
tiy
segments.
va
Grade 4
ur
• Vascular injury with active bleeding breaching the liver parenchyma into
|
peritoneum.
w
ro
Grade 5
• Vascular : Juxtahepatic venous injuries.
M
©
Management :
Liver trauma Resuscitate Unstable Surgery.
Pringle’s manoeuvre
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Trauma and Burns 181
• Manoeuvre If bleeding↓ : Cause is portal vein/hepatic artery. ----- Active space -----
If bleeding continues : Cause is hepatic veins.
• Significance :
- Temporarily control bleeding.
- Identification of source of bleeding.
mops
Packing :
Bleeding can be stopped by mops
(D/t tamponading effect).
MESENTERIC INJURY
Packing
M/c in seat belt syndrome.
Types :
om
l.c
Longitudinal tear Transverse tear
ai
gm
7@
a4
tiy
ga
ar
ik
sh
Only 1 branch cut, No loss of vascularity All vessels are cut, loss of vascularity
va
ur
ETC :
• Definitive Mx of patient’s injuries within 36 hours (After resuscitation).
• ETC approach Patient deteriorates DCS approach.
Stages of DCS :
Stage Mx Outer layer
Abdominal swab/cotton drape
om
1 Patient selection Suction drain
l.c
Control of Haemorrhage and
ai
2 Abdominal Inner layer
gm
contamination
contents
3 ICU care 7@
a4
4 Definitive Sx
tiy
5 Abdominal closure
ar
ik
sh
va
Urobag/Bogota
ur
bag abdominal
|
closure
w
ro
ar
om
l.c
Zones of retroperitoneal trauma
ai
gm
RENAL TRAUMA
7@
Grades and Management :
a4
tiy
ga
ar
ik
sh
va
Mx : Stable
|
No Sx intervention.
w
ro
ar
M
©
Grade IV
Mx : Nephrectomy (Partial/total)
Grade V
Complications of renal trauma :
1. Hematuria.
2. Urinoma (IVU : Dye used Collected outside kidney).
3. Arterio venous fistula.
om
4. Renal artery thrombosis Renal infarct.
l.c
5. Meteorism : Gut distension d/t pressure over splanchnic nerves
ai
gm
(48-72 hours after renal trauma).
7@
a4
Thoracic Trauma
tiy
00:44:19
ga
ar
Flail chest
Expiration Inspiration Flail segment
A B
om
l.c
ai
gm
7@
a4
Mx :
va
If insufficient Insufficient
O2 + Analgesia RR> 20 cpm/ pO < 60 mmHg IPPV Surgical
ur
|
2
(Intermittent positive fixation.
w
ro
pressure ventilation)
ar
M
PNEUMOTHORAX
©
Hemodynamic status :
• Stable : Simple pneumothorax.
• Unstable : Tension pneumothorax.
Tension Pneumothorax :
Pathophysiology : Stab injury Open, sucking wound (One way valve)
om
↑
l.c
Breath sounds - N - -
ai
gm
Percussion note Hyperresonant N Dull Hyperresonant
N
7@ N N
Cardiac sounds Muffled
a4
tiy
ga
Investigations :
ar
ik
Management :
w
ro
om
3. Cardiac tamponade.
l.c
ai
4. Tracheobronchial injury.
gm
5. Thoracic aortic injury. a4
7@
tiy
ga
ar
ik
sh
va
ur
CHEST TUBES
ro
ar
Triangle of safety :
M
©
Apex : Axilla
A
B
Chest tube
Chest
tube
Filled with water :
Prevent air being sucked
back during inspiration
Under water seal Chest X-ray confirming tube position
om
Chest Tube Removed :
l.c
ai
Breath sounds + .
gm
When lung is expanded
Chest X-ray N . 7@
a4
CARDIAC TAMPONADE
va
• ↑ JVP
ro
• ↓ BP
M
Investigations : FAST/eFAST.
©
Mx :
• Emergency thoracotomy (Left antero lateral)
or sternotomy : *
Evacuation of hematoma + myocardium repair.
• No role for needle pericardiocentesis in traumatic
cardiac tamponade.
FAST + : Hypoechoic collection
DIAPHRAGMATIC INJURIES
• M/c : Left > Right (Protected by liver).
C/f :
• Breathlessness.
• Bowel sounds + in thoracic cavity.
• Coiling of Ryle’s tube in thoracic cavity.
Rt diaphragmatic injury (rare)
Surgery Revision • v4.1 • Marrow 8.0 • 2025
Trauma and Burns 189
Zones :
• Zone 1 : Thoracic inlet to cricoid cartilage Hard signs
(Maximum mortality). • Subcutaneous
• Zone 2 : Cricoid to mandible angle. emphysema.
• Air bubbling from a
- most exposed zone ↑Surgically accessible. penetrating wound.
- M/c injured zone. • Expanding neck
• Zone 3 : Angle of mandible to base of skull. hematoma.
om
• Hoarseness of voice.
l.c
ai
gm
7@ Mx :
• Zone 1 & 3 Angiography
a4
tiy
Fails
ga
• Zone 2 Sx exploration.
ik
sh
Zone 3
va
Zone 2
ur
|
Cricoid cartilage
w
ro
Zone 1
ar
Anatomy of Scalp :
1. Skin.
2. Connective tissue : Adherent vessels ↑Bleeding of lacerations.
(Cannot vasoconstrict)
3. Aponeurosis : Sub aponeurotic bleeding Black eye.
4. Loose areolar tissue :
Retrograde infection
Dangerous area of face via emissary veins Cavernous sinus thrombosis.
5. Periosteum.
Depressed skull #
Base of Skull # :
Anterior cranial fossa # Middle cranial fossa # Posterior cranial fossa #
Cribriform plate # Petrous part of temporal bone # Occipital bone #
om
Signs : Signs : Signs :
l.c
• Black eyes/Racoon eyes • Temporal bone contusions • Visual problems
ai
• CSF rhinorrhea, epistaxis : • Battle sign (Classical) • occipital contusion
gm
Differentiate Target/Halo sign • Hemotympanum • 6th nerve injury
7@
• CSF otorrhea • Vernet/Jugular foramen syndrome :
a4
CSF :
B2 transferrin + • Facial nerve injury 9-11th cranial nerve injury
tiy
ga
Eustachian tube
va
Nose
ur
|
w
ro
ar
Discolouration
M
process
Blood
Blotting
paper
Racoon eyes Target/Halo sign in CSF Battle sign
rhinorrhoea
Management (NICE Guidelines) :
IOC in head injury : NCCT.
1. All patients with cervical spine injury : Suspect head injury.
2. Frequency of GCS monitoring :
- First 2 hours : Every 1/2 hour.
- Next 4 hours : Every 1 hour.
- After 6 hours : Every 2 hours.
om
- Coagulopathy.
l.c
ai
- Retrograde amnesia > 30 minutes.
gm
7@
BRAIN INJURY
a4
tiy
Types :
ga
1° Brain Injury :
|
w
1. Concussion :
ro
ar
om
l.c
ai
gm
7@
a4
tiy
ga
ar
ik
sh
va
ur
|
Cresentric SDH
ar
M
©
om
l.c
Score Prognosis
ai
gm
1 Death
2 Persistent vegetative state 7@
a4
tiy
4 Moderate disability
ar
ik
5 Good recovery
sh
va
ur
BRAIN DEATH
|
BURNS
Referral criteria to a burns Unit :
• Burns involving face, hands, feet, genitalia, perineum, major joints.
• Chemical burns.
• Electrical burns
• Inhalational injury.
• Partial thickness burns : > 10% of total body surface area (TBSA).
• Third degree (Full thickness) burns in any age group.
Airway :
1. Signs of airway burns :
- Burnt/singed nasal hair (Most significant)
- Hoarseness of voice
- Carbonaceous deposits in sputum Any Prophylactic intubation
- Closed room burns + (Prevent airway collapse).
- Burns involving head, face, neck
- Altered mental sensorium
2. stages of airway injury following burns :
om
1. Acute pulmonary 2. ARDS like picture 3. Bronchopneumonia
l.c
insufficiency (Hypoxia, B/L lung (D/t ↓ immunity)
ai
gm
(Breathlessness, infiltrates + ).
↓SPO2 : D/t CO build up). 7@
Early (1-3 days) : Late (>3 days) :
a4
tiy
Circulation :
va
Calculating TBSA :
• Wallace rule of 9.
• Lund and Browder chart (Best).
Zones of Burns :
• Zone of coagulation/necrosis : Irreversible, non salvageable.
om
• Zone of hyperemia : Vasodilatation, salvageable.
l.c
ai
gm
7@
a4
tiy
ga
ar
ik
sh
va
ur
|
w
ro
ar
M
©
Adults Children
Wallace rule of 9
Degree of Burns :
Blister
2nd degree superficial burns 2nd degree : Deep burns Hypertrophic scars
om
l.c
ai
gm
7@
a4
tiy
Burns Management :
ik
sh
• ABCDE. • IV fluids.
va
ur
• Max nitrogen loss : Day 5 to 10 (Atleast 20% calories should be from proteins). ----- Active space -----
Davies formula used to calculate protein requirement :
i. Children : 3 g/kg + 1 g% TBSA.
ii. Adults : 1 g/kg + 3 g% TBSA.
Escharotomy :
Eschar Compartment syndrome ↑↑pain Escharotomy.
(Thickened tissue (Pressure : > 30 mmHg)
post burns)
• Deep fascia is cut and muscle released.
• Wound extended beyond deep burn.
• Any significant bleeding vessels : Diathermy.
• Post-op hemostatic dressing + Limb elevation.
om
Dressing Materials for Burns Mx :
l.c
ai
gm
Aim :
• Protect damaged epithelium. 7@
a4
1 degree
st
No dressing required, expose the wound
sh
va
• Vaseline/Paraffin gauze
2nd degree : Superficial
ur
Special agents :
©
om
• Mx : IV fluids
l.c
↑Urine output Prevent tubular necrosis d/t myoglobinuria.
ai
gm
(Old Parkland’s formula)
7@
HYPOTHERMIA
a4
tiy
patients.
va
ur
Types of Hernia :
Simple/Uncomplicated Obstructed Strangulated
Obstructed hernia +
Hernia Reducible Irreducible compromised blood
supply + skin inflamed
Cough impulse + - -
Forceful taxis C/I d/t reduction en masse.
om
(Hernia Possible (Reduction of contents + constriction ring
l.c
Strangulated hernia
ai
reduction) causing obstruction.)
gm
Contents of Hernia : 7@
a4
tiy
Omentocele Enterocele
ga
Peristalsis - +
ar
ik
Consistency Doughy -
sh
va
Mesh :
Best material of mesh : Placement :
• Low weight Less shrinkage. At least 2 cm overlap all around
• Thin fibres. the defect (To avoid recurrence).
• Large pores.
om
l.c
ai
gm
Synthetic (Prolene) mesh 7@ Biological mesh (Alloderm)
a4
tiy
ga
Clinical tests :
• Deep ring occlusion test : Single best test.
• Zieman’s three finger test, ring invagination test : Low sensitivity.
Deep inguinal
ring Deep inguinal ring
Testis Testis
om
Myopectineal Orifice of Fruchaud :
l.c
Transverse
Boundaries :
ai
Anterior superior abdominis
gm
• Superior : Arching fibres of internal oblique iliac spine
7@
• Inferior : Pectineal/Cooper’s ligament.
a4
Rectus abdominis
tiy
Myopectineal
Significance :
va
orifice
ur
(Pectineal) ligament
M
©
Hernioplasty 00:08:36
Open Sx :
Lichtenstein’s tension free Mesh hernioplasty
TEP TAPP
Total Extraperitoneal repair Trans Abdominal Preperitoneal repair
Peritoneum remains intact Peritoneum breached Mesh placed
Technically more challenging, better repair
Balloon Skin and
Dilating trocar subcutaneous Laparoscope
tissue
Umbilicus Peritoneum
Anterior fascia
and muscle
Abdominal
cavity
om
Posterior fascia Preperitoneal
l.c
ai
and peritoneum space
gm
7@
Structures Encountered During Sx :
a4
tiy
Iliopubic
ga
Triangle of pain
va
Triangle of doom
©
om
Classification of Hernia
l.c
00:12:33
ai
gm
European Hernia Society Classification :
7@
Inguinal hernia : Ventral hernia :
a4
tiy
Subxiphoid M1
ar
• Classified as 1°/recurrent.
ik
Epigastric M2
sh
Medial Umbilical M3
ur
1°/Recurrent Infraumbilical M4
|
w
ro
• Femoral hernia
©
Femoral L2
Lateral
Iliac L3
Lumbar L4
Type Description
1 Indirect inguinal hernia + Normal ring
2 Indirect inguinal hernia + Enlarged ring
3a Direct hernia + Posterior floor defect
3b Indirect hernia + Posterior floor defect (Pantaloon hernia)
3c Femoral hernia
4 Recurrent hernia
FEMORAL HERNIA
• Through femoral ring (Small defect). Bounded by
• F >> M. • Superiorly : Inguinal ligament
• ↑Risk of strangulation/obstruction • Medially : Lacunar ligament
(Ring can not dilate). • Inferiorly : Pectineal/Cooper’s
• Richter’s hernia can be seen. Ligament
On examination :
Inguinal hernia Femoral hernia
Pubic tubercle Above and medial Below and lateral
D/D : Inguinal hernia, Psoas abscess, Inguinal lymph node, saphena varix
om
l.c
Mx Open Sx.
ai
gm
Laparoscopic hernioplasty (M/c).
7@
a4
Bulge in
VENTRAL/ABDOMINAL WALL HERNIAS
tiy
scar site
ga
Incisional hernia
ro
ar
M
Paraumbilical
Epigastric hernia Umbilical hernia
hernia
Xiphisternum till Adjacent to
Location Through umbilicus
umbilicus umbilicus
High
Chances of Low
Low (Narrow
strangulation (Large defect)
defect)
Surgery Revision • v4.0 • Marrow 8.0 • 2024
Hernia, Thorax and Skin 205
om
l.c
ai
gm
Epigastric hernia Umbilical hernia Paraumbilical hernia
7@
Omphalocele vs Gastroschisis :
a4
tiy
Omphalocele Gastroschisis
ga
Sac
ar
No sac covering
Covered with a sac
|
herniate)
©
----- Active space ----- Obturator Hernia (Little Old Lady’s Hernia) :
Seen in elderly, multiparous women.
Narrow defect (↑Chances of strangulation/Richter’s hernia).
C/f :
• Bowel obstruction, pain.
• Howship romberg sign : Adduction + Internal rotation Shooting pain along
obturator nerve.
• Hannington kiff sign.
Richter’s Hernia :
• Seen in : Femoral hernia > Paraumbilical, obturator hernia.
• Small defect : Only a part of circumference of bowel herniates.
C/f :
om
Richter’s hernia
l.c
• 1st sign : Gastroenteritis.
ai
gm
• Strangulation can get missed.
7@
Maydl’s Hernia :
a4
tiy
• Wide defect.
ga
ar
Maydl’s hernia
|
w
00:22:19
ar
M
Thoracoscore :
Prognostic score (Mortality/Morbidity risk after lung resection).
om
Empyema :
l.c
Pus in pleural space.
ai
gm
Phases : 7@
a4
Empyema
va
Lung Cancer
M
00:26:38
©
Risk Factors :
• Smoking.
• Pollution.
• Asbestos exposure.
Pancoast Tumour :
• Squamous cell carcinoma Sympathetic chain compressed Horner’s
syndrome (Ptosis, Miosis, Enopthalmos, Anhydrosis).
om
• Mx : Radiotherapy.
l.c
ai
Lung Cancer Staging :
gm
7@
T1 staging Tumor size
a4
tiy
T1a <1cm
ga
T1b 1-2cm
ar
ik
sh
T1c 2-3cm
va
ur
Ix :
|
w
HAMARTOMA
M/c benign tumour of lung.
C/f : Asymptomatic OR cough + hemoptysis.
Mx : Excision with VATS.
MEDIASTINAL TERATOMA
THYMOMA
om
• A/w myasthenia gravis : Weakness/lethargy,
l.c
ai
breathing difficulties.
gm
• MRI/CT to stage to stage lesions : 7@ Mediastinal tumours ( : M/c tumor)
a4
tiy
Masaoka staging
ga
Stage Description
ar
ik
Skin 00:32:57
Types of Ulcers :
Based on edge
om
Malignant Melanoma :
l.c
Risk factors : UV radiation, white population,
ai
gm
familial atypical mole melanoma syndrome.
7@
Types :
a4
tiy
ga
Type Description
ar
•
|
• Best-prognosis
ro
ar
Ix :
Biopsy (Confirmatory) : IHC markers
Marjolin’s Ulcer :
• Squamous cell carcinoma in pre existing burns
scar/venous ulcer.
• Mx : Surgery (Radiotherapy does not work well).
Marjolin’s ulcer
om
Soft Tissue Sarcoma (STS)
l.c
00:36:52
ai
gm
• M/c STS : Liposarcoma. 7@ Sarcoma spreading to LN
• m/c STS in children : Rhabdomyosarcoma.
a4
(Exceptions)
tiy
Mnemonic : MARCES
ar
ik
• Angiosarcoma
va
• Rhabdomyosarcoma
|
w
• Clear cell
ro
• Limbs Lungs
ar
• Epithelial
M
• Retroperitoneum Liver
©
• Synovial
Ix : Mx : Lymph node (LN) clearance
• Tru-cut/Core biopsy : Confirmatory.
• PET-CT : Staging.
Mx : Wide local excision + Radiotherapy + Chemotherapy.
Prognostic factor : Grade of tumour (Most important).
Desmoid Tumour :
• STS of anterior abdominal wall,
seen in site of scar.
• ↑Chances of recurrence.
• A/w Gardner Syndrome.
Mx : Wide local excision.
Desmoid tumour
Features :
• M/c cause : Embolus (M/c source Heart).
• H/o ischemic heart disease ; H/o A-fib (Irregularly irregular heart beat).
om
• Paresthesia. • Paresis/paralysis (Late signs).
l.c
ai
gm
Management :
IOC : Doppler/Duplex Scan. 7@
a4
Yes No
ar
Late
ik
sh
Fogarty’s balloon
ur
Amputation.
w
Complication
ro
ar
Reperfusion injury
M
©
Muscle swelling
Features :
• Gradual occlusion (D/t thrombus) Formation of collaterals.
Clinical Features :
• Intermittent claudication Cramping pain.
• Rest pain
Progressive pain.
• Gangrene Chronic arterial occlusion :
Formation of collaterals
om
Pain forces
l.c
Pain at rest
ai
Reduces as patient Able to walk patient to stop
gm
continues to walk despite pain 7@
a4
Site of Obstruction :
tiy
ga
Investigations :
©
----- Active space ----- • For every 0.1 decrease in ABPI below 0.9 - Risk of cardiac mortality increases
by 10%.
om
• Complications :
l.c
- Bleeding. - Renal dysfunction.
ai
gm
- Dissection. - Aneurysm.
7@
- Thrombosis.
a4
tiy
Buerger’s vs Atherosclerosis
ga
00:13:47
ar
ik
sh
Buerger’s disease
va
Atherosclerosis
ur
(Thromboangitis obliterans)
|
w
Age 3 decade
rd
≥ 5 decade
th
M
©
Line of
demarcation Corkscrew
Collaterals
Management of Atherosclerosis :
1. Angioplasty & stenting :
- 1st line Rx.
- Successful for iliac & femoropopliteal
(Less successful below knee).
- Complications :
om
• Failure Endovascular stenting
l.c
ai
• Hematoma
gm
• Bleeding 7@
a4
• Thrombosis
tiy
- Suprainguinal :
ik
Synthetic graft
sh
• Aorto-bifemoral.
va
ur
Gangrene 00:20:02
om
l.c
ai
gm
7@
a4
tiy
ga
ar
ik
sh
va
Complications :
w
ro
• Early :
ar
M
a. Hemorrhage.
©
b. Infection.
c. Flap necrosis.
d. DVT.
• Late :
a. Pain.
b. Phantom limb syndrome.
Aneurysm vessels :
• M/c vessel involved : Circle of Willis.
• M/c extracranial vessel : Infrarenal abdominal aorta.
• M/c peripheral vessel : Popliteal artery.
• M/c visceral vessel : Splenic artery
• M/c vessel in mycotic aneurysm : Abdominal aorta (D/t S. aureus).
Surgery Revision • v4.0 • Marrow 8.0 • 2024
Vascular Surgery 217
Critical Diameter :
• Abdominal aortic aneurysm : 5.5cm.
• Ascending thoracic aortic aneurysm : 5.5cm.
↑ Risk of rupture
• Descending thoracic aortic aneurysm : 6cm.
beyond this size.
• Marfan’s + thoracic aortic aneurysm : 4.5 - 5cm.
Clinical Features :
• Asymptomatic. • Abdominal pain.
• Blue toe syndrome (D/t emboli from • Pulsatile mass.
om
l.c
aneurysm).
ai
• Rupture into left retroperitoneum
gm
(High mortality > 50%). 7@
a4
tiy
Management :
ga
ar
IOC : CT Angiography.
ik
sh
Treatment : AAA
va
1. Open repair :
ur
|
- Indication
w
- Advantage
ar
M
CT Angiogram
- Indications : High risk patients, hostile abdomen.
- Disadvantage : Life long follow-up.
- Complications : Endoleaks.
Retrograde leak
Type 2 Abdominal aortic aneurysm repair
from lumbar vessels
om
Note : Exposure of great vessels.
l.c
Mattox manoeuvre Cattle-Brasch manoeuvre
ai
gm
• Left medial visceral rotation 7@ • Right visceral medial rotation
of descending colon. of ascending colon.
a4
tiy
(Aneurysm repair)
ik
sh
Complications of EVAR :
va
ur
2. Renal failure.
w
ro
om
l.c
II Only ascending
ai
gm
III Only descending B
7@
a4
tiy
Stanford Classification
ga
Management :
ar
DeBakey type
va
ur
|
1&2 3
w
ro
ar
Features :
• Loss of contour of popliteal fossa.
• Pulsatile swelling behind knee.
Management :
Indications :
1. All symptomatic patients.
2. Asymptomatic + >2cm size.
Treatment : Graft repair.
Causes :
1. Cold weather
Vasospasm.
2. H/o use of drilling equipment
Features :
Colour change : White Blue Red
( Pain + )
Primary vs Secondary :
Primary Secondary
Prevelance Common Rare
om
Association with collagen vascular diseases No Yes
l.c
ai
Complications Rare Yes
gm
Pharmacological Rx 7@
No (Occasional) DOC : CCB
a4
tiy
ga
Pathophysiology :
va
ur
Etology :
• Poor muscle tone.
• Cervical rib.
Clinical Features :
• Arterial occlusion Gangrene/claudication.
• Venous occlusion Subclavian vein thrombosis.
• Compression of brachial plexus Pain along ulnar border.
AV Malformations 00:38:59
Causes :
om
1. Traumatic.
l.c
ai
2. Iatrogenic (M/c) :
gm
- Cimmino/Radiocephalic fistula : For dialysis. a4
7@
- Test for radioulnar patency : Allen’s test.
tiy
3. Congenital
ga
ar
Note :
ik
sh
Crisoid Aneurysm :
va
Crisoid aneurysm
• AV malformation of superficial temporal vessels.
ur
|
Clinical Features :
ar
M
• Pulsatile swelling
©
Investigations :
om
1. Doppler/Duplex Scan : IOC.
l.c
2. CT Angiography : If suspecting pulmonary embolism.
ai
gm
Treatment : 7@
a4
Well’s criteria
ga
Yes No
ar
Score Probability
ik
sh
1 to 2 Moderate
|
>2 High
ro
2. Pregnancy : LMWH.
©
IVC filter
Surgery Revision • v4.0 • Marrow 8.0 • 2024
Vascular Surgery 223
DVT Prophylaxis :
High risk patients :
1. Major orthopedic surgery/fracture of hip, pelvis, lower limb.
2. Major abdominal/pelvic surgery.
3. Major surgery in patient with h/o DVT/pulmonary embolism.
4. Lower limb paralysis.
om
5. Lower limb amputation.
l.c
ai
gm
Prophylaxis in high risk patients : Dual prophylaxis.
Pharmacological : + Mechanical : 7@
a4
• Pneumatic compression
ar
ik
stockings.
sh
va
Varicose Veins
ro
00:50:17
ar
M
Anatomy :
©
Clinical Features :
1. Dilated veins (M/c) :
- >3mm : Varicose veins. Varicose veins
- 1-3mm : Reticular veins.
- <1mm : Thread veins /Dermal flares/Telengiectatic veins.
2. Corona phlebectasiae/Malleolar flare :
om
- Fan shaped arrangement of thread veins around ankle.
l.c
- Early sign of advanced disease.
ai
gm
3. Atrophie blanchie : Areas of depigmentation surrounded by dilated veins.
7@
4. Pigmentation : D/t hemosiderin deposition.
a4
tiy
- Shiny skin.
ar
ik
- Tendoachilles contracture.
sh
va
7. Venous ulcers.
ar
M
©
om
C5 Healed ulcer
l.c
ai
C6 Active venous ulcer
gm
C6r Recurrent active venous ulcer7@
a4
tiy
Investigations :
ga
IOC : Doppler.
ar
ik
+
|
w
+
ar
M
FV (Femoral vein)
Mickey mouse sign
©
Corona
phlebectasia
Foam sclerotherapy
Complications :
Complications of varicose vein surgery Complications of varicose veins
om
• Injury to nerves (M/c) : Saphenous • Bleeding.
l.c
ai
nerve, sural nerve. • Calcification.
gm
• Wound infection. 7@ • Superficial thrombophlebitis.
• Bruising. • Pigmentation.
a4
tiy
• Bleeding. •
ar
Ulceration.
ik
sh
• Injury to vessels.
va
ur
|
Ulcers 01:02:00
w
ro
ar
Venous Ulcer :
M
©
Note :
Marjolin’s ulcer
Types of ulcer edges.
Edge Condition
Sloping venous ulcer, healing ulcer
Punched out Arterial ulcer, neuropathic ulcer, bed sores, syphilis
Undermined TB
om
Rolled out BCC(Rodent), Marjolin’s ulcer
l.c
Cauliflower Squamous cell carcinoma
ai
gm
D/D of Leg Ulcers : 7@
a4
tiy
Site
sh
Gaiter area lateral side the great toe the great toe
va
Dilated
ar
veins
©
Reduced Reduced
Sensation Normal Painful
sensations sensations
Margins Sloping Punched out Punched out Punched out
1. Debridement.
Mx
2. VAC Dressing (-125 mmHg) : C/I in osteomyelitis with DM.
Arterial ulcers :
• H/o claudication.
• Loss of muscle mass/hair.
Diabetic ulcers :
• Microangiopathy.
• Increased glucose.
Arterial ulcer Diabetic ulcer
Surgery Revision • v4.0 • Marrow 8.0 • 2024
228 Surgery
om
l.c
ai
gm
Tubercular ulcer VAC dressing Trophic ulcer
7@
a4
Lymphedema 01:09:54
Brunners Classification :
om
l.c
Subclinical
ai
Excess interstitial fluid with no clinical signs
gm
(Latent)
7@
Stage I Pitting edema
a4
tiy
in lymphedema
|
w
ro
Stewart-Treves Syndrome :
ar
M
Investigations :
Gold standard : Water plethysmography Mild : < 20%.
Moderate : 20-40%.
Severe : > 40%.
Management :
1. Skin care :
- Protect skin while chopping - Treat cuts with antibiotics.
vegetables/gardening. - No blood sampling from affected
- Never walk barefoot. limb.
- Use electric razors to depilate. - Use sunscreen.
- Never let the skin become
macerated.
Surgery Revision • v4.0 • Marrow 8.0 • 2024
230 Surgery
3. Exercises :
- Slow rhythmic isotonic (Eg : Swimming).
- Vigourous, anaerobic, isometric exercise worsens lymphedema.
4. Surgery :
- Lymphovenous anastamosis : TOC.
- Reduction procedures : Not done.
om
l.c
ai
gm
7@
a4
tiy
ga
ar
ik
sh
va
ur
|
w
ro
ar
M
©