Value of Percutaneous Cholangioscopy After Placement of a Percutaneous Transhepatic Biliary Drainage
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In a prospective study the investigators perform repeated cholangioscopies in all patients that received percutaneous transhepatic biliary drainage (PTBD) for a variety of malignant and benign diseases. Endoscopic findings and their correlation with clinical features will be recorded prospectively. The impact on clinical decision will be evaluated.
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