title: Cholangiocarcinoma arising in a choledochal cyst: diagnostic value of computed tomography and ultrasonography.
abstract: A case of cholangiocarcinoma arising in a choledochal cyst (type II or biliary cyst in Alonso-Ley classification) in a 53-year-old woman is presented. Ultrasonography and computed tomography provided the correct preoperative diagnosis. The value of these modalities in presurgical planning is illustrated.
mesh_terms: D002759:Adenoma, Bile Duct / Q000150:complications / Q000175:diagnosis / Q000473:pathology*; D003135:Common Bile Duct / Q000473:pathology; D003137:Common Bile Duct Diseases / Q000473:pathology; D003138:Common Bile Duct Neoplasms / Q000175:diagnosis / Q000473:pathology*; D003560:Cysts / Q000150:complications* / Q000473:pathology; D005260:Female; D006801:Humans; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography