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  • Title: Choledocholithiasis at the hepatic confluence mimicking a hilar cholangiocarcinoma.
    Author: Läuffer JM, Baer HU, Schajor M, Halter F, Büchler MW.
    Journal: Hepatogastroenterology; 1998; 45(24):2339-43. PubMed ID: 9951919.
    Abstract:
    Adenocarcinomas of the bifurcation of the hepatic ducts (Klatskin tumors) are a relatively rare cause of obstructive jaundice. Differential diagnosis includes other neoplastic lesions, sclerosing cholangitis, Mirizzi's syndrome and benign strictures. We present a 46 year-old white female with a 2 month history of epigastric pain and progressive jaundice. Endoscopic retrograde cholangiopancreaticography (ERCP) revealed a filiform stenosis of the right hepatic duct and an obstructed left hepatic duct, an image strongly suggestive of a Klatskin tumor. The correct diagnosis was achieved, however, by percutaneous transhepatic cholangiography (PTC), which disclosed a gallstone at the common hepatic duct bifurcation and multiple small concrements in the left hepatic duct. After endoscopic removal of the gallstones in the biliary tree and laparoscopic cholecystectomy, the patient was discharged on the third post-operative day. Protuberant tumors and round biliary stones may be confused at ERCP.
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