Mammography: What Is The Goal of Mammography?
Mammography: What Is The Goal of Mammography?
    renewed interest in mammography with his                   One most important consideration in the overall efficacy
     demonstration of a successful technique that used          of mammography is patient radiation dose because
     low kilovolt peak (kVp), high milliampere seconds          radiation can cause breast cancer as well as detect it.
     (mAs), and direct film exposure.
                                                                                                  MAMMOGRAPHY | 
                                                                                                  MAMMOGRAPHY
    is performed on patients with symptoms or elevated                        BREAST ANATOMY
     risk factors. Two or three views of each breast may
     be required                                                  Young breasts are dense and are more difficult to
                                                                   image because of glandular tissue
                                                                  Older breasts are more fatty and easier to image
WHO NEEEDS A MAMMOGRAM?
                                                                 NORMAL BREAST CONSIST OF 3 PRINCIPAL
    40+ women age 40-49 are also beneficial in                  TISSUES:
     reducing mortality
                                                                    Fibrous, glandular, and adipose (fat)
    <50 patient 50 years or older reduces cancer
                                                                    Fatty tissue fills the space between the fibrous
     mortality
                                                                     tissue, lobes, and ducts
                                                                     Fibrocystic breasts are composed of tissue that
                                                                     feels lumpy or ropelike in texture
WHEN   SHOULD                 YOU     SCHEDULE             A         Fibrous tissue and fat give breasts their size and
MAMMOGRAM?                                                           shape and hold the other structures in place
             BASELINE MAMMOGRAM
    is the first radiographic examination of the breast
     and is usually obtained before age 40 years.
    The risk of radiation-induced breast cancer
     resulting from x-ray mammography has been given
     a lot of attention.
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                                                                                                    MAMMOGRAPHY
                                                                    Mammographic x-ray tubes are manufactured
                                                                     with a tungsten (W), molybdenum (Mo), or Rhodium
                                                                     (Rh) target.
Requires special equipment such as microfocus x-ray              The nipple is in the center of the areola.
tubes, adequate compression, and patient positioning             Each nipple has about nine milk ducts, as well as
devices. (Effective focal spot size should not exceed 0.1         nerves.
mm)
                                                                                   AREOLAE
Magnification mammography should not be used routinely.
                                                                 The areola is the circular dark-colored area of skin
                                                                  surrounding the nipple.
           SCREEN-FILM MAMMOGRAPHY                              Areolae have glands called MONTGOMERY’S GLANDS
FOUR TYPES OF IMAGE RECEPTOR HAVE BEEN                                         BLOOD VESSELS
USED FOR X-RAY MAMMOGRAPHY
                                                                 circulate blood throughout the breasts, chest and
    1. Direct exposure film                                       body.
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                                                                                                    MAMMOGRAPHY
What about the Male breast?                                        Follicular phase 1-13 days
      The structure of the male breast is nearly identical    The first day of a period marks the beginning of a new
       to that of the female breast, except that the male      menstrual cycle.
       breast tissue lacks the specialized lobules, as there
                                                                    The ovulatory phase
       is no physiologic need for milk production by the
                                                                    The luteal phase 
       male breast.
                                                               It lasts about 14 days (unless fertilization occurs) and ends
      Male hormone testosterone usually stops breasts
                                                               just before a menstrual period. In this phase, the ruptured
       from developing like a females.
                                                               follicle closes after releasing the egg and forms a structure
      On the outside surface, males have nipples and          called a CORPUS LUTEUM, which produces increasing
       areolae. Internally, they have undeveloped milk         quantities of progesterone.
       ducts and no glandular tissue.
                                                               NOTE: The length of a woman’s menstrual cycle
      Male breast problems can include:                       determines when ovulation occurs:
   GYNECOMASTIA, a benign condition that causes the                   In 28 day cycle the most fertile days are days from
   breasts to enlarge, and very rarely, breast cancer.                 12 to 14 days.
                                                                      In 24 day, cycles, the most fertile days are days
                                                                       from 8 to 10 days
                                                                      In 35 day cycles the most fertile days are between
   DEVELOPMENTAL STAGES
                                                                       19 and 21 days
                 ROLE IN PUBERTY
    Females typically enter puberty between the ages
                                                                                ROLE IN PREGNANCY
     of 8 and 13 years, and puberty usually ends when
     they are around 14 years old.                                  Pregnancy starts the moment a fertilized egg
    During puberty, the pituitary gland starts producing            implants in the wall of a person’s uterus. Following
     larger quantities of luteinizing hormone (LH) and               implantation, the placenta begins to develop and
     follicle-stimulating hormone (FSH), which stimulates            starts producing a number of hormones, including
     the production of estrogen and progesterone.                    progesterone, relaxin, and human chorionic
                                                                     gonadotropin (hCG).
Increased levels of estrogen and progesterone initiate the
development of secondary sexual characteristics, which                          ROLE IN MENOPAUSE
include:
                                                               MENOPAUSE occurs when a person stops having
    breast development                                        menstrual periods and is no longer able to become
    hair growth on the underarms, legs, and pubic             pregnant. In the United States, the average age at which a
     region                                                    woman experiences menopause is 52 years.
    increased height
    increased fat storage on the hips, buttocks, and          PERIMENOPAUSE refers to the transitional period leading
     thighs                                                    up a person’s final period. During this transition, large
    widening of the pelvis and hips                           fluctuations in hormone levels can cause a person to
    increased oil production in the skin                      experience a range of symptoms.
                                                                                                     MAMMOGRAPHY | 
                                                                                                  MAMMOGRAPHY
     Low levels of testosterone may lead to reduced                “CLOCK FACE” method, in which the location of
      sexual desire in some women. However,                        breast findings is described as though a clock were
      testosterone therapy appears ineffective at treating         superimposed on each breast as the woman faces
      low sex drive in females.                                    the examiner.
                                                                  This means that the upper outer quadrant in the
                                                                   right breast is between the 9- and 12-o’clock
According to a systematic review from 2016 Trusted                 positions, but the upper outer quadrant in the left
Source, testosterone therapy can enhance the effects of            breast is between the 12 to 3 o clock position
estrogen, but only if a doctor administers the testosterone at               EXTERNAL ANATOMY
higher-than-normal levels.
                                                                  Montgomery (also known as Morgagni) tubercles,
This can lead to unwanted side effects.
                                                                   which are located near the periphery of the areola,
These side effects can include:                                    are elevations formed by the openings of the
                                                                   ducts of the Montgomery glands, large
        weight gain                                               sebaceous glands that represent an intermediate
        irritability                                              stage between sweat and mammary glands.
        balding
        excess facial hair                                      Montgomery's        tubercles are sebaceous  (oil)
        clitoral enlargement                                    glands that appear as small bumps around the dark
                                                                 area of the nipple.
               HORMONAL IMBALANCE                                    Nipple is at the very center portion of your breast,
     Hormonal balance is important for general health.              and is linked to the mammary glands, where milk is
      Although hormonal levels fluctuate regularly, long-            produced.
      term imbalances can lead to number of symptoms              Areola area of dark-colored skin on the breast that
      and conditions.
                                                                   surrounds the nipple.
Signs and symptoms of hormone imbalances can
                                                                             SEBACEOUS GLANDS
include:
                                                                     are small, sack-shaped glands which release an
     irregular periods
                                                                     oily substance onto the hair follicle that coats and
     excess body and facial hair
                                                                     protects the hair shaft from becoming brittle. These
     acne
                                                                     glands are located in the dermis.
     vaginal dryness
     low sex drive                                                              SWEAT GLANDS
     breast tenderness
     gastrointestinal problems                                   are coiled tubular structures vital for regulating
     hot flashes                                                  human body temperature.
     night sweats
                                                                 TAIL OF SPENCE (SPENCE'S TAIL, AXILLARY
     weight gain
                                                                         PROCESS, AXILLARY TAIL)
     fatigue
     irritability and irregular mood changes                        is an extension of the tissue of the breast that
     anxiety                                                        extends into the axilla.
     depression
     difficulty sleeping                                                INFRAMAMMARY FOLD (IMF)
                                                                     It is anatomically defined as the area where the
                                                                     skin of the lower pole of glandular breast tissue
DIVISION OF THE BREAST :                                             meets the chest wall forming a groove known as
                                                                     the INFRAMAMMARY CREASE
Upper (superior)–outer (lateral)
                                                                           RETROMAMMARY SPACE
    1.   Upper (superior)–inner (medial),
    2.   Lower (inferior)–inner (medial)                          loose connective tissue plane between the breast
    3.   Lower (inferior)–outer (lateral).                         and the fascia of the pectoralis major m., allows
    4.   The subareolar area (central portion)                     movement of the breast on pectoral fascia
                                                                  breast implantation
                 CLOCKFACE METHOD
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                                                                                                      MAMMOGRAPHY
Clinical importance:        Cancer    cells   spread   through          nodes — found under the armpit, above the
retromammary space.                                                     collarbone behind the breastbone and in other parts
                                                                        of the body — trap harmful substances that might
The breast tissue is encircled by a thin layer of connective
                                                                        be in the lymphatic system and safely drain them
tissue called fascia. The deep layer of this fascia sits
                                                                        from the body.
immediately atop the pectoralis muscle, and the superficial
layer sits just under the skin.
                 LYMPHATIC CHANNELS                                  Breasts are made up of fat and breast tissue, the
                                                                        milk          ducts           and           lobules.
     Lymphatic circulation in breast tissue helps regulate             Breast density compares the area of connective
      the local fluid balance as well as filter out harmful             tissue seen on a mammogram to the area of fat.
      substances. But the breast's lymphatic system can                Breast and connective tissue appear denser than
      also spread diseases such as cancer through the                   fat on a mammogram.
      body. Lymphatic vessels provide a highway along                  A high breast density indicates a greater amount of
      which invasive cancerous cells move to other parts                breast and connective tissue compared to fat.
      of the body                                                      Low breast density indicates a greater amount of fat
                                                                        compared to breast and connective tissue.
           LYMPH NODES AND LYMPH DUCTS
                                                                       Some        breasts       are       mostly       fat.
     The lymphatic system is a network of lymph nodes                  Mammograms of dense breasts are more difficult to
      and lymph ducts that helps fight infection. Lymph                 read than mammograms of fatty breasts.
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                                                                                                      MAMMOGRAPHY
     Women with high breast density are 4-5 times more               Fibrocystic breast changes (noncancerous lumps
      likely to get breast cancer than women with low                    and tenderness).
      breast                                      density.            Mammary duct ectasia (swollen milk ducts).
      In the U.S., 40-50 percent of women ages 40-74                  Mastitis (breast infection).
      have dense breasts.                                             Nipple discharge.
    Nearly 40,000,000 women undergo routine
      mammogram studies in the US each year and
                                                                 How do breasts work?
      about 43% of these exams reveal the presence of
      dense                                      breasts.        How can I keep my breasts healthy?
      Breast density varies greatly by age and weight.
Dense breasts are more common in both young and thin             Since breast cancer is a top concern, talk to your healthcare
women                                                            provider about when and how often to get mammograms.
       Benign (noncancerous) breast disease.                        o   Kinds of breast cancer varies depending on which
       Breast cysts.                                                    cells in the breast grows out of control and turns
       Breast lumps.                                                    into cancer.
       Breast pain (mastalgia).
       Breast rash.
                                                                         TYPES OF BREAST CANCER:
                                                                                                        MAMMOGRAPHY | 
                                                                                                   MAMMOGRAPHY
   o   Ductal carcinoma in situ                                     These includes swelling and redness, caused by
   o   Invasive ductal carcinoma                                     cancer cells blocking the lymph vessels in the skin
   o   Inflammatory breast cancer
   o   Metastatic breast cancer                              HOW IS INFLAMMATORY BREAST CANCER
                                                             DIFFERENT FROM OTHER TYPES OF BREAST
       DUCTAL CARCINOMA IN SITU(DCIS)                        CANCER
      Type of cancer wherein the cells that makes up the
                                                                 o   When compared to other forms of the disease,
       milk ducts of the breast is concern and have not
                                                                     inflammatory breast cancer:
       spread into the surrounding tissues
                                                                 o   Looks different
        BREAST CONSERVING SURGERY                                o   Is harder to diagnose
                                                                 o   Is more aggressive and spreads more quickly than
      Surgery to remove cancer or other abnormal
                                                                     other types
       tissue from the breast and some normal tissue
                                                                 o   Tends to be diagnosed at a younger age, especially
       around it, but not the breast itself.
                                                                     among African-American women
               RADIATION THERAPY                                 o   Is more likely to affect overweight women
                                                                 o   Is often further along (your doctor may call this
      Radiation therapy (also called radiotherapy) is a             locally advanced, meaning it’s moved into nearby
       cancer treatment that uses high doses of radiation            skin) when it’s diagnosed
       to kill cancer cells and shrink tumors                    o   Sometimes has spread past the breast (your doctor
                   MASTECTOMY                                        will say it has metastasized) when it’s diagnosed,
                                                                     which makes it harder to treat
      Mastectomy is breast cancer surgery that removes
       the entire breast. 
                                                             WHAT ARE THE EARLY SIGNS AND SYMPTOMS OF
        SENTINEL LYMPH NODES BIOPSY                          INFLAMMATORY BREAST CANCER?
      A sentinel node biopsy is a diagnostic procedure to       o   Symptoms of inflammatory breast cancer may
       test if cancer has spread beyond the original tumor           include:
                                                                 o   Pain in the breast
         INVASIVE DUCTAL CARCINOMA
                                                                 o   Skin changes in the breast area. You may find pink
      Type of cancer wherein the cells that makes up the            or reddened areas often with the texture and
       milk ducts of the breast is concern and have not              thickness of an orange.
       spread into the surrounding tissues.                      o   A bruise on the breast that doesn't go away
                                                                                                       MAMMOGRAPHY | 
                                                                                                     MAMMOGRAPHY
The Hoffman technique for drawing out inverted nipples                 nipple area, but instead of breast tissue
has been in use since the 1950s. To try it:                            underneath, fat tissue is found instead.
                                                                    6. Category six (known as polythelia) - A category six
       Place your thumbs on either side of your nipple. Be            extra nipple is where the nipple appears alone and
        sure to place them at the base of the nipple, not the          there is no areola or breast tissue underneath it.
        outside of the areola.
       Press firmly into your breast tissue.                   CLINICAL BREAST CHANGES:
       While still pressing down, gently pull your thumbs
                                                                       Breast Changes of Concern
        away from each other.
                                                                    -   Some breast changes can be felt by a woman or
       Move your thumbs all around the nipple and repeat.              her health care provider, but most can be detected
There are some suction devices promoted for reversing                   only during an imaging procedure such as a
inverted nipples. Most are worn under clothing for extended             mammogram, MRI, or ultrasound. Whether a breast
periods of time.                                                        change was found by your doctor, or you noticed a
                                                                        change, it’s important to follow up with your doctor
These products are sold under a variety of names,                       to have the change checked and properly
including:                                                              diagnosed.
    •   nipple retractors                                       Check with your health care provider if your breast looks or
    •   nipple extractors                                       feels different, or if you notice one of these symptoms:
    •   shells
    •   cups                                                           Lump or firm feeling in your breast or under your
    -   These devices usually work by pulling the nipple                arm. Lumps come in different shapes and sizes.
        into a small cup. This stimulates the nipple and                Normal breast tissue can sometimes feel lumpy.
        makes it protrude.                                              Doing breast self-exams can help you learn how
    -   When used over time, these devices can help                     your breasts normally feel and make it easier to
        loosen the nipple tissue. This can help your nipples            notice and find any changes, but breast self-exams
        remain erect for longer periods of time.                        are not a substitute for mammograms.
                                                                       Nipple changes or discharge. Nipple discharge may
Popular options include:                                                be different colors or textures. It can be caused by
                                                                        birth control pills, some medicines, and infections.
       Avent Niplette
                                                                        But because it can also be a sign of cancer, it
       Pippetop Inverted Nipple Protractor
                                                                        should always be checked.
       Medel soft shells for Inverted nipples
                                                                       Skin that is itchy, red, scaled, dimpled or puckered
       Supple cups
                                                                       Breast Changes During Your Lifetime That Are Not
ACCESSORY NIPPLES                                                       Cancer
                                                                    -   Most women have changes in the breasts at
    -   “supernumerary nipple”                                          different times during their lifetime.
    -   A third nipple is a condition where a person has an            Before or during your menstrual periods.
        extra nipple on their body in addition to the two              During pregnancy.
        nipples located on the breasts or chest.
                                                                       As you approach menopause
TYPES OF ACCESSORY NIPPLES:                                            If you are taking hormones
                                                                       After menopause
    1. Category one (known as polymastia) - A category                 Mammogram Findings
       one extra nipple will have an areola around the              -   Mammograms are pictures (x-rays) of the breast,
       outside.                                                         used to check for breast cancer. Possible
    2. Category two - A category two extra nipple will not              mammogram findings include:
       have an areola around it, though the presence of
                                                                       Lumps (mass or tumor). Lumps come in different
       breast tissue underneath is still apparent.
                                                                        sizes and shapes. Fluid-filled cysts are usually
    3. Category three - A category three extra nipple is
                                                                        smooth and rounded, with clear, defined edges and
       where the area has breast tissue present, but no
                                                                        are not cancer. Lumps that have a jagged outline
       actual nipple has formed.
                                                                        and an irregular shape are of more concern.
    4. Category four - A category for extra nipple is where
                                                                       Calcifications. There are two types of breast
       breast tissue has formed underneath, but no nipple
                                                                        calcifications, or calcium deposits:
       or areola is present.
                                                                    -   Macrocalcifications, which look like small white
    5. Category five (known as pseudomamma) - A
                                                                        dots on a mammogram. They are often caused by
       category five extra nipple, has an areola around the
                                                                        aging, an old injury, or inflammation and are usually
                                                                        benign.
                                                                                                      MAMMOGRAPHY | 
                                                             MAMMOGRAPHY
  -   Microcalcifications, which look like white specks
      on a mammogram. If found in an area of rapidly
      dividing cells or grouped together in a certain way,
      they may be a sign of DCIS or breast cancer.
     Dense breast tissue: A dense breast has relatively
      less fat and more glandular and connective tissue.
MAMMOGRAPHY |