Fig. 5. A 77-years-old male who presented with a 2-day history of abdominal pain and distension with obstipation.

Past medical history revealed treated colon carcinoma. A. Distended gallbladder with pericholecystic edema and mural thickening (arrow). Focal areas of the gallbladder wall display decreased enhancement (chevron arrows). Mural defect in the cranial aspect of the gallbladder body (notched arrow) with perforation and incompletely imaged walled off collection (curved arrow) in the gallbladder fossa. B. Color coded iodine map reveals the lack of iodine uptake in the region of perforated gallbladder wall suggesting mural necrosis. C. Percutaneous cholecystostomy was done to relieve the symptoms.