Presentation
Recurrent abdominal pain.
Patient Data
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.