Distal cholangiocarcinoma - common bile duct

Case contributed by Henry Knipe
Diagnosis almost certain

Presentation

Recurrent abdominal pain.

Patient Data

Age: 70 years
Gender: Male

Mild intrahepatic duct dilatation. Mild extrahepatic duct dilatation and mural thickening until abrupt transition to soft tissue density. No enlarged lymph nodes.

Right renal cyst.

Intra- and extra-hepatic duct dilatation. Mid common bile duct stricture with mural thickening and enhancement. CBD wall also demonstrates abnormal restricted diffusion. Distended gallbladder. No enlarged nodes.

Case Discussion

The patient underwent a Whipple procedure, with pathology demonstrating a T1N0 cholangiocarcinoma.

Non-contrast CT requires extra vigilance as the described findings can be easily passed over.

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