Percutaneous Transhepatic Cholangiogram

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A Percutaneous Transhepatic Cholangiogram, abbreviated either as PTCA or PTHC is an x-ray of the bile ducts, taken after a contrast medium is injected directly into a liver bile duct.

The procedure can be performed by a radiologist. Its purpose is to test whether jaundice or pancreatitis is being caused by bile duct blockage.

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