Hemorrhagic cholecystitis as a complication of anticoagulant therapy: role of CT in its diagnosis.

Hemorrhage within the gallbladder lumen is a rare but potentially fatal complication of acute cholecystitis. Concomitant anticoagulant therapy increases the chances of hemorrhage. In this case report we describe one such case which showed active extravasation of the contrast into the lumen of the gallbladder. Early diagnosis of this potentially fatal condition is important to facilitate urgent surgical treatment.