Medically reviewed by Jay N. Yepuri, MD Primary sclerosing cholangitis (PSC) is a progressive scarring of the liver's bile ...

A percutaneous transhepatic cholangiogram (per-kew-tay-nee-us trans-hep-attic col-an-jee-o-gram) is a way of looking at your bile ducts using x-rays. This test is also called a PTC. You may have a ...