Fig. 1

CT scan and gallbladder of initial surgery. Abdominal CT performed at the time of diagnosis of cholecystitis shows marked gallbladder swelling and intramural abscess, with gallstones (arrowhead): a axial and b coronal views. c Laparoscopic cholecystectomy for acute cholecystitis. Iatrogenic perforation of the gallbladder due to the pus drainage. d Gallstones and gallbladder with wall thickening and mucosal necrosis