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Percutaneous Transhepatic Cholangiography - PTC
Percutaneous Transhepatic Cholangiography (PTC)
A percutaneous transhepatic cholangiography (PTC) is an X-ray examination of the bile ducts through an IV. A needle is introduced through the skin into the liver, depositing the dye (contrast). The bile duct structure is then viewable via the X-ray.