Percutaneous Transhepatic Cholangiography
Aug.05, 2009 in
Liver and Biliary Tract Tests
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Percutaneous transhepatic cholangiography consists of inserting a cannula into one of the intrahepatic bile ducts through a long biopsy needle and injecting x-ray contrast material directly into the duct. This procedure outlines the biliary duct system and both confirms biliary tract obstruction by demonstrating a dilated duct system and pinpoints the location of the obstruction. […]