Percutaneous transhepatic cholangiogram (PTCA)

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Overview Risks Results

Percutaneous transhepatic cholangiogram (PTCA)

There is a slight chance of an allergic reaction to the contrast medium (iodine).

There is a slight chance of excessive blood loss, blood poisoning (sepsis), and inflammation of the bile ducts.

An ERCP (endoscopic retrograde cholangiopancreatography) is an invasive procedure performed to visualize the bile ducts and remove any stones. If a diagnostic ERCP cannot be performed, or has failed in the past, a PTCA may be performed.

An MRCP (magnetic resonance cholangiopancreatography) is a newer, non-invasive imaging method, based on MRI, which provides similar views of the bile ducts.

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