Urethral Stricture Diagnosis and Management

Diagnostic Considerations

The American Urological Association recommends including urethral stricture in the differential diagnosis of men presenting with decreased urinary stream and dysuria, particularly in middle-aged men where benign prostatic hyperplasia is less likely to be the sole cause 1, 2
Men with urethral stricture most commonly report a weak urine stream, incomplete bladder emptying, and dysuria (urethral pain), which precisely matches this patient's presentation 1, 2
The absence of UTI makes infectious causes less likely but does not exclude urethral stricture 1, 2
At age 54, common risk factors include history of urethral catheterization, instrumentation, transurethral surgery, or traumatic injury; however, stricture etiology is idiopathic in many men 1, 2, 3

After history and physical examination, perform uroflowmetry and post-void residual ultrasound measurement to assess for significant obstruction from stricture 1, 2, 4
Uroflowmetry showing peak flow <12 mL/second suggests significant obstruction from stricture 5, 4, 6
Post-void residual measurement detects poor bladder emptying 1, 2, 4
Retrograde urethrography (RUG) with or without voiding cystourethrography (VCUG), or urethro-cystoscopy is recommended to confirm the diagnosis and characterize the stricture 5, 4, 6
RUG remains the study of choice for delineating stricture length, location, and severity 5, 4, 6, 7
Urethro-cystoscopy allows direct visualization and localization of the stricture 5, 4, 6, 7

Lichen sclerosus-related urethral strictures tend to be longer, commonly present in the penile urethra, and may have higher association with urethral cancer 1, 2, 3
Physical examination should specifically look for skin changes suggestive of lichen sclerosus 1, 2, 3

Short strictures: Urethral dilation or direct visual internal urethrotomy may be appropriate 1, 2, 3
Longer or recurrent strictures: Urethroplasty (open surgical reconstruction) provides better long-term outcomes 1, 2
Shared decision-making about treatment options should be based on stricture length, location, and patient preferences 1, 2, 6, 3