Klatskin Tumor - Hilar Cholangiocarcinoma
The most common site of biliary adenocarcinoma is at or near the confluence of the right and left hepatic ducts.These tumors are also known as Klatskin tumors.
Klatskin tumors have an aggressive biologic behavior.
Imaging features:
- Duct dilatation
- Ill-defined mass
- Lobar atrophy
- Vascular invasion
Below is a nice correlation between an illustration and a sonographic image of a Klatskin tumor.
Notice how ill-defined the tumor is.
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| Klatskin Tumor with dilatation of bile ducts in the right and left lobe of the liver Illustration by Heike Blum |
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