Predicting cholecystocholedochal fistulas in patients with Mirizzi syndrome undergoing endoscopic retrograde cholangiopancreatography

Figure 1 Cholangiography of patients with Mirizzi syndrome. A: Patient without a cholecystocholedochal fistula. Eccentric compression (orange arrow) of the common bile duct is observed and a short part of the cystic duct is opacified; B: Patient with a cholecystocholedochal fistula (orange arrowhead). A contrast opacified gallbladder without the typical spiral and corkscrew-like cystic duct opacification is shown.