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AUG – ASCENDING URETHROGRAM
(OR)
RUG – RETROGRADE URETHROGRAM
It is a diagnostic procedure performed most commonly in male patients to
diagnose urethral pathology or urethral stricture via the retrograde injection
of contrast into the urethra.
Indications:
Urethral strictures
Urethral tears (Penil fracture)
Rectal – Urethral Fistulae or false passages
Congenital abnormalities
Prostatic abscess
Trauma
Contra Indications:
Allergic to contrast
Active urinary tract infection
Preparation:
Patient preparation none.
16 – F or 18 – F Foley catheter or penile clamp
Contrast: Iohexol 10 or 20 ml
Preliminary Film: Bladder base & Urethra
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Procedure:
The patient lies supine on the X-Ray table
Then the patient adjusted in an oblique position so that the bladder neck and
urethra can be radiographed free of bony superimposition.
Using aseptic technique the penile clamp is applied or the tip of the catheter
is inserted into the urethral orifice.
X-Rays are taken during injection of contrast
Views:
a) 30 – 45 LAO, with right leg abducted and knee flexed
b) 30 – 45 RAO, with Left leg abducted and knee flexed
After Care: None
Complication:
When excessive pressure is applied when instilling contrast into the urethra,
causing extravasation of contrast into the surrounding tissue.
Normal AUG Urethral stricture