title: Cystadenoma of the proximal common hepatic duct: the use of abdominal ultrasonography and transhepatic cholangiography in diagnosis.
abstract: Cystadenoma of the extrahepatic bile ducts is a rare cause of obstructive jaundice. In a case seen recently at our institution, the combined findings are abdominal ultrasonography and transhepatic cholangiography were diagnostic; such studies should provide evidence for preoperative recognition.
mesh_terms: D001650:Bile Duct Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology / Q000601:surgery; D002758:Cholangiography; D002763:Cholecystectomy; D002779:Cholestasis / Q000209:etiology*; D003537:Cystadenoma / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology / Q000601:surgery; D005260:Female; D006500:Hepatic Duct, Common / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D014463:Ultrasonography