genitourinary disorders
Urethral Stricture
Introduction
Urethral stricture is scarring that obstructs the anterior urethral lumen. Urethral stricture can be Urethral stricture None Acquired Anything that damages the urethral epithelium or corpus spongiosum can cause acquired stricture ( General reference ). Common causesinclude Trauma Sexually transmitted infections such as Gonorrhea None Unknown causes (idiopathic strictures) Trauma, the most common cause, may result from a straddle injury or, occasionally, an iatrogenic injury (eg, after traumatic endoscopy or catheterization). Less common causes include Balanitis xerotica obliterans None Urethritis (usually chronic or untreated) Malignancy ( Urethral Cancer ) 