title: Percutaneous transhepatic biliary drainage.
abstract: Percutaneous transhepatic biliary drainage is performed for the relief of biliary obstruction, usually on a malignant basis. The basic pathology and indications for the procedure are discussed, and the technical materials and methods are detailed. The role of the radiologic technologist in performing this procedure is emphasized.
mesh_terms: D001662:Biliary Tract Surgical Procedures; D002404:Catheterization; D002758:Cholangiography; D002761:Cholangitis / Q000150:complications; D002779:Cholestasis / Q000209:etiology / Q000601:surgery*; D003135:Common Bile Duct / Q000601:surgery; D004322:Drainage / Q000295:instrumentation* / Q000379:methods; D005706:Gallbladder Neoplasms / Q000150:complications; D042882:Gallstones / Q000150:complications; D006801:Humans; D010190:Pancreatic Neoplasms / Q000150:complications