Traumatic pubic diastasis with rupture of the membranous urethra

Discussion:

Traumatic urethral injury is an important potential complication of pelvic fractures, especially those involving the pubic symphysis or pubic rami. It should be considered whenever there are pelvic injuries, especially when injuries involve the midline or paramedian structures.

While CT is the cornerstone of trauma imaging, it is inadequate in assessing the urethra. This is best done radiographically, after administration of contrast media via the urethra. A single oblique projection (to capture the whole length of the urethra) is often enough to demonstrate any potential injuries.

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