Usefulness of a Biliary Manipulation Catheter in Percutaneous Transhepatic Biliary Drainage

procedures and computed tomography / magnetic resonance imaging have increased, percutaneous biliary procedures including PTC, PTBD, and percutaneous stent placement remains significant in the evaluation and treatment of biliary obstructive diseases, especially for biliary hilar obstruction (1-3). PTBD has been regarded as a drainage-first procedure. Thus, a duct puncture is commonly followed by the insertion of an introducing system to deliver a 0.035 inch wire followed by a drainage catheter. However, during PTBD, it is not uncommon to encounter situations that J Korean Soc Radiol 2011;64:317-323