What is the role of PCT and ERCP in the workup of choledochal cysts?

Updated: Jul 01, 2020
  • Author: Emily Tommolino, MD; Chief Editor: BS Anand, MD  more...
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Answer

When noninvasive measures (eg, ultrasonography, CT scanning, MRI) fail to sufficiently delineate the anatomy, they should be supplemented by the addition of percutaneous transhepatic cholangiography (PTC) or endoscopic retrograde cholangiopancreatography (ERCP) which may have a sensitivity up to 100%. As reported by Nagi and coworkers, these studies are particularly helpful in demonstrating the presence of an anomalous pancreatobiliary junction and in delineating associated extrahepatic or intrahepatic strictures and stones. [27]


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