What is the role of percutaneous transhepatic cholangiography (PTC) in the workup of cholangiocarcinoma (CCC)?

Updated: Dec 28, 2019
  • Author: Peter E Darwin, MD; Chief Editor: N Joseph Espat, MD, MS, FACS  more...
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Percutaneous transhepatic cholangiography (PTC) may allow access to proximal lesions with obstruction of both right and left hepatic ducts. Material for cytologic studies may be obtained and drainage performed. Other methods to obtain tissue include CT- or ultrasound-guided needle aspiration, if a mass lesion is present, and endoscopic ultraonography–guided fine-needle aspiration.

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