CAUSES [1] POSTERIOR URETHRAL
[A] FRACTURES BASIN[CAR ACCTDENT]
[B] FRACTURES MARKEDLY OVER INJURY WITH DISTETION SACROILIAC JOINT
[2] FRONTAL URETHRA
[A] ANAL INTERCOURCE
[B] PENETRATING
[C] PENILE RINGS
FREQUENCY
[A] INJURY PROSTATE
[B] INJURY BLADDER