Type I: Stretch Injury
Type II: Urethra is disrupted above intact UG diaphragm
Type III: Urethra is disrupted above disrupted UG diaphragm
ANTERIOR URETHRAL INJURY = STRADDLE INJURY
POSTERIOR URETHRAL INJURY = ASSOCIATED WITH PELVIC FRACTURE
Site of Stricture:
IATROGENIC
penoscrotal junction
membranous urethra
INFECTIOUS
Bulbar
Just proximal to meatus
NEOPLASTIC
long, irregular with or w/o fistula