- Acute gallbladder inflammation caused by cystic duct obstruction.
- Major complication of cholelithiasis (i.e., gallstones); symptomatic gallstones are common before developing cholecystitis.
- RUQ pain lasting more than 3 to 6 hours and fever are common.
- RUQ tenderness, a distended RUQ mass, and positive Murphy's sign are key examination findings.
- Ultrasound is the definitive initial test; hepatobiliary iminodiacetic acid (HIDA) scanning and MRI may be helpful in cases where diagnosis is unclear.
- Treatment is early cholecystectomy.
Last updated: Apr 19, 2013