Percutaneous transhepatic cholangiogram

Alternative Names

PTCA; Cholangiogram – PTCA

Definition of Percutaneous transhepatic cholangiogram

A percutaneous transhepatic cholangiogram (PTCA) is an of the bile ducts inside and outside the liver. The x-ray is taken after contrast medium (dye) is injected directly into the bile ducts.


David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 3/5/2009

Gallstones, cholangiogram
Gallbladder anatomy

ADAM Medical Encyclopedia

Article written by

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission ( URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability.