Cholangiocarcinoma;, pathogenesis and classification.

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Cholangiocarcinomas (bile duct cancers) arise from the epithelial

cells of the intrahepatic and extrahepatic bile ducts. These cancers

are highly lethal because most are locally advanced at presentation.

Tumors involving the proper hepatic duct bifurcation are collectively

referred to as Klatskin tumors. In the first part of the topic, a

review of pathogenesis and classification have been posted on:

http://www.surgerysearch.blogspot.com/

Dr. Jitendra Agrawal, Kanpur, India.