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[mass noun] X-ray examination of the bile ducts, used to locate and identify an obstruction.
- ‘Before the widespread availability of endoscopic retrograde cholangiopancreatography, percutaneous transhepatic cholangiography was often used to delineate the biliary anatomy preoperatively.’
- ‘A doctor can confirm a diagnosis by cholangiography.’
- ‘Percutaneous transhepatic cholangiography can also be performed to demonstrate the patency of the common bile duct.’
- ‘Further imaging that may be done by a gastroenterologist or interventional radiologist includes endoscopic retrograde cholangiopancreatography and percutaneous transhepatic cholangiography.’
- ‘When necessary, colorful schematic illustrations and radiologic studies, including cholangiography, sonography, and computed tomography, have been added.’
1930s: coined in Spanish from Greek khole bile + angeion vessel + -graphia (see -graphy).
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