title: Metastatic colon carcinoma to the biliary tract mimicking choledocholithiasis.
abstract: This case is reported because of its rarity and in order to demonstrate that, using ERCP, it can be difficult at times to differentiate not only primary from metastatic diseases of the common duct, but also both of these malignant conditions from benign choledocholithiasis.
authors.affiliation: Department of Surgery, University of South Alabama School of Medicine, Mobile 36617.
authors.forename: D L
authors.initials: DL
authors.lastname: Dyess
authors.forename: J J
authors.initials: JJ
authors.lastname: Ferrara
authors.forename: W A
authors.initials: WA
authors.lastname: Webb
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging* / Q000556:secondary; D000368:Aged; D002760:Cholangiopancreatography, Endoscopic Retrograde; D003110:Colonic Neoplasms; D003138:Common Bile Duct Neoplasms / Q000000981:diagnostic imaging* / Q000556:secondary; D003937:Diagnosis, Differential; D005260:Female; D042882:Gallstones / Q000000981:diagnostic imaging*; D006801:Humans