Rare cause of voiding dysfunction in an adult man: urethral diverticulum compressing the anterior urethra

Description 

A 46-year-old man presented to us with lower urinary tract symptoms that include severe voiding symptoms. He had a history of injury to the perineum 3 years back. A smooth cystic swelling was palpable in the perineum in midline. Uroflowmetry was done and was suggestive of poor urinary flow (Q_avg: 2 mL/s and Q_max: 6 mL/s), with significant postvoid residual urine (PVR). A micturating cystourethrogram (MCU) with retrograde urethrography (RUG) was done and was suggestive of an anterior urethral diverticulum, which was compressing the urethra, along with significant PVR (figure 1). The patient was planned for open excision of the urethral diverticulum. A cystourethroscopy was done preoperatively and clearly showed a normal anterior urethra and the opening of the diverticulum on the ventral aspect of the urethra (figure 2). The patient was operated in lithotomy position and a midline perineal incision was done. The diverticulum was dissected free and then excised,...

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