Percutaneous transhepatic cholangiography: Difference between revisions

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'''Percutaneous transhepatic cholangiography''' ('''PTHC''' or '''PTC''') is a radiologic technique used to visualize the [[anatomy]] of the [[biliary tract]]. A [[contrast medium]] is injected into a bile duct in the [[liver]], after which [[X-ray]]s are taken. It allows access to the biliary tree in cases where [[endoscopic retrograde cholangiopancreatography]] (ERCP) has been unsuccessful. Initially reported in 1937, the procedure became popular in 1952.<ref>{{cite journal |author=Carter RF, Saypol GM |title=Transabdominal cholangiography |journal=Journal of the American Medical Association |volume=148 |issue=4 |pages=253–5 |year=1952 |pmid=14888454 |doi=}}</ref><ref>{{cite journal |author=Atkinson M, Happey MG, Smiddy FG |title=Percutaneous transhepatic cholangiography |journal=Gut |volume=1 |issue= |pages=357–65 |year=1960 |pmid=13684978 |pmc=1413224 |doi=10.1136/gut.1.4.357}}</ref>