Urethral stricture - post radiation
Diagnosis certain
Hidden edits. Some edits not affecting the appearance of this case have been suppressed.
Updates to Case Attributes
Title
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Urethral stricture (bulbar(post radiation)
Status
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Published At
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.
Updates to Study Attributes
Findings
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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
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Why is measuring a stricture accurately useful for the urologist?
Answer
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The length of the stricture helps determine which type of therapy the patient should receive.
Updates to Quizquestion Attributes
Answer
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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).