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Heather Borders, MD
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Anterior Urethral Diverticulum

Case Detail

Anatomy: Genitourinary
Joseph Junewick, MD FACR
Diagnostic Category: Developmental or Congenital
Created: over 3 years ago
Updated: over 3 years ago
Tags: Pets
Modality/Study Types: FL
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2 month old male with poor urinary stream

Case Images


Anterior urethral diverticulum


FL – Anterior urethral diverticulum with late micturition obstruction


Urethral diverticula may be congenital (hypospadias, dilated Cowper’s duct/gland) or acquired (trauma, surgery, catheterization). Patients with anterior urethral diverticulum present with ventral penile swelling, incontinence, poor urinary stream and/or infection. Anterior diverticula may be associated with or without an anterior urethral valve. Without a valve, progressive distention of the diverticulum leads to valve-like obstruction of the distal urethra. With valve, obstruction by valve distends the diverticulum, undermining and further compressing the anterior urethra. Anterior urethral diverticula are treated by endoscopic deroofing, open diverticulotomy or open urethroplasty.


Freely PC. Congenital Anterior Urethral Diverticulum in the Male. Radiology (1974); 111: 173-174.

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