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Percutaneous Transhepatic Biliary Drainage or Endoscopic Retrograde Cholangiography in Treating Participants with Suspected Malignant Bile Duct Obstruction


This phase III trial studies how well percutaneous transhepatic biliary drainage works versus endoscopic retrograde cholangiography in treating participants with suspected cancerous (malignant) bile duct obstruction. Percutaneous transhepatic biliary drainage is a procedure that uses x-rays to guide a needle through the skin into the bile duct to allow for drainage of the blockage through external tubes. Endoscopic retrograde cholangiography is a procedure that combines the use of a lighted camera that goes down through the mouth and x-rays to diagnose and treat certain problems of the biliary ductal system, and permits drainage of the blockage through internal stents. It is not yet known whether percutaneous transhepatic biliary drainage or endoscopic retrograde cholangiography is most effective in treating participants with suspected malignant bile duct obstruction.
Yachimski, Patrick

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