What are the disadvantages of percutaneous transhepatic cholangiography (PTC or PTHC) for the diagnosis of conjugated hyperbilirubinemia?

Updated: Jul 31, 2019
  • Author: Richard A Weisiger, MD, PhD; Chief Editor: BS Anand, MD  more...
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Answer

Disadvantages of PTC or PTHC include the following advantages:

  • Typically more invasive than ERCP

  • May not be successful unless the bile ducts are dilated

  • Results in radiation exposure and requires the use of contrast medium


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