urethral stricture
Narrowing of the urethra due to scarring or inflammation that impedes urine flow.
Full Definition
Urethral stricture is a condition characterized by narrowing of the urethral lumen due to scar tissue formation within or around the urethral wall. Common causes include trauma, infection, inflammation, ischemia, and iatrogenic injury from catheterization or previous surgery. Strictures can occur anywhere along the urethra but are most common in the bulbar urethra in men. Symptoms include weak urinary stream, difficulty initiating urination, incomplete bladder emptying, and recurrent urinary tract infections. Diagnosis is confirmed through retrograde urethrography or cystoscopy. Treatment options include urethral dilation, direct vision internal urethrotomy, or urethroplasty depending on stricture characteristics.
Usage
Usage note: Specify location (anterior vs. posterior, bulbar vs. penile) when clinically relevant.
In Context
- "Retrograde urethrography revealed a 2-cm bulbar urethral stricture." — Diagnostic imaging
- "The recurrent urethral stricture was managed with excision and primary anastomosis." — Surgical plan