Notice: Users may be experiencing issues with displaying some pages on stanfordhealthcare.org. We are working closely with our technical teams to resolve the issue as quickly as possible. Thank you for your patience.
A percutaneous transhepatic cholangiography (PTC) is an X-ray examination of the bile ducts through an IV. A needle is introduced through the skin into the liver, depositing the dye (contrast). The bile duct structure is then viewable via the X-ray.