
Rolling Gallstone

Cholelithiasis

Wall Echo Sign

Sludge

Sludge and Stones

Hepatization of the Gallbladder

Polyps

Adenomyomatosis

Acute Cholecystitis

Gallbladder Perforation

Emphysematous Cholecystitis

Acalculous Cholesystitis

Gallbladder Carcinoma

Dilated Intrahepatic Duct

Choledocholithiasis

Mirizzi Syndrome

Cholangitis

Pneumobilia

Cholangiocarcinoma

Triangular Cord Sign
(Avascular fibrous cord anterior to the main portal vein)

Choledochal Cyst

Caroli Disease
(“Central dot” sign representing small fibrovascular bundles)