Fig. 18
From: Gallstones top to toe: what the radiologist needs to know
a Maximum intensity projection (MIP). b Axial T2-weighted MRCP image of the biliary tree. The gallbladder is distended with extensive intrahepatic biliary duct dilatation. The common bile duct is normal in calibre. Appearances are consistent with Mirizzi syndrome, with a stone in Hartmann’s pouch of the gallbladder causing extrinsic compression of the common hepatic duct