title: Percutaneous transhepatic cholangiography to diagnose carcinoma of the ampulla of Vater.
abstract: A case of carcinoma of the ampulla of Vater was diagnosed preoperatively by percutaneous transhepatic cholangiography using the Chiba needle. A dilated pancreatic duct is a radiologic sign diagnostic of early ampullary carcinoma.
mesh_terms: D000231:Adenocarcinoma, Papillary / Q000000981:diagnostic imaging*; D014670:Ampulla of Vater / Q000000981:diagnostic imaging*; D002758:Cholangiography / Q000379:methods*; D003138:Common Bile Duct Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011379:Prognosis