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Definition of Cholangiography, percutaneous transhepatic

Cholangiography, percutaneous transhepatic: Radiographic examination of the liver and bile ducts done by inserting a thin needle through the skin into the liver and injecting contrast medium in order to visualize blockage of the bile ducts.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=10969
Last Editorial Review: 9/20/2012

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