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percutaneous transhepatic cholangiography
Indications:
- biliary disease
- biliary carcinoma
Procedure:
- insertion of a thin needle into the liver carrying a contrast medium into a bile duct in the liver, after which X-rays are taken to visualize anatomy of the biliary tract
- biliary obstruction may be alleviated by placement of a stent across biliary strictures
Complications:
- generally more frequent than with ERCP
- infection, bleeding bile leaks
Related
endoscopic retrograde cholangiopancreatography (ERCP)
General
cholangiography
References
- Wikipedia: Percutaneous transhepatic cholangiography
http://en.wikipedia.org/wiki/Percutaneous_transhepatic_cholangiography
- Harvard Health Publications
Percutaneous Transhepatic Cholangiography (PTCA)
http://www.health.harvard.edu/diagnostic-tests/percutaneous-transhepatic-cholangiography.htm
- MedlinePlus: Percutaneous transhepatic cholangiogram
http://www.nlm.nih.gov/medlineplus/ency/article/003820.htm