Extrahepatic bile ducts
Papillary carcinoma of extrahepatic bile ducts
Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 15 February 2013, last major update September 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
● Usually biliary phenotype, but also intestinal
● Often extends into pancreas or liver
● Papillary carcinomas confined to ductal wall have better 10 year survival than adenocarcinomas confined to ductal wall
● Better survival even if nodal metastases
● Microsatellite instability is relatively frequent in papillary neoplasms of biliary tree (Mod Pathol 2002;15:1309)
● Tumors may dedifferentiate
Exophytic and intraluminal proliferation of complex papillary structures with invasive component
End of Extrahepatic bile ducts > Tumors > Papillary carcinoma of extrahepatic bile ducts
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