Urethral stricture - post radiation

Changed by Matt A. Morgan on 23 Oct 19:44
Diagnosis certain
Hidden edits. Some edits not affecting the appearance of this case have been suppressed.

Updates to Case Attributes

Title was changed:
Urethral stricture (bulbar(post radiation)
Status changed from draft to published (public).
Published At was set to .

Updates to Study Attributes

Findings was changed:

Scout image: Multiple clips from a radical prostatectomy.

Retrograde urethrogram (RUG):

There is a 1.4 cm narrowing in the bulbar urethra (to approximately 4 mm), which did not relax on subsequent views. No leak. When turned to the left oblique position, the penis could not be straightened out fully and the length of the stricture is foreshortened.

The penile urethra is normal.

Voiding cystourethrogram (VCUG):

The posterior urethra is normal. No leak or stricture. The vesicourethral junction and anastomosis funnels normally during voiding. No post void residual. The bulbar urethra stricture can be seen, but is not as well evaluated as on the retrograde/ascending urethrogram.

Updates to Quizquestion Attributes

Question was added:
Why is measuring a stricture accurately useful for the urologist?
Answer was added:
The length of the stricture helps determine which type of therapy the patient should receive.

Updates to Quizquestion Attributes

Answer was changed:
It depends on whether the stricture is anterior or posterior. Causes of an anterior stricture include instrumentation, sexually transmitted disease, and crush/straddle injuries. Causes of a posterior stricture include instrumentation, pelvic fracture (membranous urethra), and adiationradiation therapy for prostate cancer (EBRT, brachytherapy).

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