Microbubble-enhanced ultrasound to demonstrate urethral transection in a case of penile fracture

A 47-year-old man attended the emergency department following trauma during sexual intercourse after which he developed penile swelling and haematuria several hours later. A penile fracture was suspected but given the slightly atypical history, ultrasound was performed to look for a fracture. Given the history of haematuria, both a standard Doppler ultrasound and a microbubble-enhanced retrograde ultrasound urethrogram were performed. The Doppler confirmed the suspected diagnosis of penile fracture, and microbubble urethrogram demonstrated a urethral injury. This facilitated prompt surgical treatment and helped guide the surgical approach. Retrograde microbubble enhanced ultrasound urethrogram is a novel technique that can be used in conjunction with standard ultrasound to confirm the presence of a concurrent urethral rupture in penile fracture.

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