Biliary cystadenoma with bile duct communication demonstrated on post ERCP CT study
Presentation
Post ERCP abdominal pain.
Patient Data
Post ERCP CT
Post-ERCP contrast in the biliary tree is noted at CBD, gallbladder, and also into the cystic lesion of segment 4 of the liver, which has incomplete internal septations. There is pneumobilia.
No pneumoperitoneum or pancreatitis.
Pre ERCP MRI
MRI of the Liver with contrast prior to the ERCP demonstrated a well-defined multiloculated cystic lesion in segment 4 of the liver. It shows thin rim and septal enhancement. No enhancing solid nodular component within. No evidence of restricted diffusion or surrounding parenchymal edema.
There are small gallstones and CBD stones without any significant biliary dilatation.
Case Discussion
Current study demonstrates the communication of biliary cystadenoma with the biliary tree.
Another way of facilitating the diagnosis is the use of liver-specific contrast media that demonstrate a communication between the lesion and the biliary tree, which helps in assessing the origin of a cystic tumor from the biliary ducts.
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