Pediatric Urethral Stricture

  • Etiology:
    — Infection
    — Fibrous scarring of the urethra due to trauma (straddle injury)
    — Urethral reconstruction in hypospadias or epispadias
  • Imaging: Persistent fixed narrowing of the urethra
  • DDX:
  • Complications: Urinary tract obstruction
  • Treatment: Urethral dilation, urethroplasty
  • Clinical:
    — Present with a decreased urinary stream
    — Most common in males

Radiology Cases of Urethral Stricture

Radiology Cases of Urethral Stricture of the Bulbar Urethra

Retrograde urethrogram of bulbar urethral stricture
Oblique image from a retrograde urethrogram shows a fixed, marked narrowing in the bulbar urethra.

Retrograde urethrogram of pediatric urethral stricture
Lateral image of the urethra from a retrograde urethrogram shows a persistent narrowing at the junction of the posterior urethra and bulbar urethra with the bulbar urethra being dilated.

Radiology Cases of Urethral Stricture of the Membranous Urethra With Cowper Duct Perforate Syringocele

Retrograde urethrogram of Cowper duct syringocele and stricture of the membranous urethra
Lateral image from a retrograde urethrogram exam shows a short tubular tract filled with contrast inferior to the contrast filled urethra. There is also a persistent long narrowing in the membranous urethra.