In clinical medicine, (also abbreviated as PTC ) is a radiological procedure used to visualize the anatomy of the biliary tract.
The following report analyzes the three primary contexts associated with "PTHC" and "TIEM." PTHC TIEM
1. Medical Context: Percutaneous Transhepatic Cholangiography (PTHC) In clinical medicine, (also abbreviated as PTC )
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A radiopaque contrast medium is injected directly into a bile duct in the liver through the skin using a specialized needle (often a "Chiba" needle). X-ray images, known as a cholangiogram , are then taken to identify blockages, narrowing, or stones.
It is primarily used when Endoscopic Retrograde Cholangiopancreatography (ERCP) has failed or is technically impossible. It is crucial for diagnosing cancers of the bile duct, pancreas, and gallbladder.