The commonest cause of an obliterative stricture of the membranous urethra is -: (A) Fall-astride injury, (B) Road-traffic accident with fracture pelvis and rupture urethra, (C) Prolonged catheterization, (D) Gonococcal infection
Answer is B. Commonest cause of stricture in posterior urethra → Trauma with fracture pelvis
Commonest cause of stricture in anterior urethra → Straddle injuries (direct trauma to the perineal region).