Percutaneous transhepatic cholangiography, also called percutaneous hepatic cholangiogram and abbreviated PTHC, is a radiological technique used to visualize the anatomy of the biliary tract. A contrast medium is injected into a bile duct within the liver and X-rays are then taken, and the technique provides access to the biliary tree when endoscopic retrograde cholangiopancreatography has been unsuccessful. It was first reported in 1937 and became a popular technique by 1952.
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Wikipedia contributors, Wikimedia Foundationhttps://en.wikipedia.org/wiki/Percutaneous_transhepatic_cholangiography, lead sectionQuote, https://en.wikipedia.org/wiki/Percutaneous_transhepatic_cholangiography, lead section
Percutaneous transhepatic cholangiography, percutaneous hepatic cholangiogram (PTHC) is a radiological technique used to visualize the anatomy of the biliary tract.
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