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percutaneous transhepatic cholangiodrainage
(per-kyoo-TAY-nee-us TRANZ-heh-PA-tik koh-lan-jee-oh-DRAY-nij)| A procedure to drain bile to relieve pressure in the bile ducts caused by a blockage. An x-ray of the liver and bile ducts locates the blockage of bile flow. Images made by ultrasound guide placement of a stent (tube), which remains in the liver. Bile drains through the stent into the small intestine or into a collection bag outside the body. This procedure may relieve jaundice before surgery. Also called percutaneous transhepatic biliary drainage and PTCD. |
