Gallbladder perforation: preoperative diagnosis by combined imaging techniques.

Gallbladder perforation represents the most serious complication of cholecystitis. Rapid preoperative diagnosis is necessary because of the high morbidity and mortality associated with it. The authors present a case of gallbladder perforation in a 64-year-old man who had been on high doses of steroids. This case was diagnosed preoperatively by combined radiologic imaging methods.