| Site of Injury |
Mostly in the neck, anterior bladder wall |
Mostly in the bladder dome (superior, lateral walls) |
| Associated Injuries |
Often accompanied by pelvic fractures |
Sometimes spontaneous bladder rupture |
| Peritoneal Damage |
Bladder wall rupture, intact peritoneum |
Bladder wall rupture communicating with the peritoneal cavity |
| Urinary Leakage Site |
Perivesical tissue, space behind the pubic bone |
Intraperitoneal |
| Main Clinical Symptoms |
Lower abdominal pain, pressure pain, muscle tension |
Full abdominal pain, rebound tenderness, muscle tension, shifting dullness |
| Treatment |
Extraperitoneal drainage, removal of leaked urine, repair of bladder perforation if necessary |
Exploratory laparotomy, repair of peritoneum and bladder wall, extraperitoneal catheter drainage above pubic bone |