Value of Percutaneous Cholangioscopy After Placement of a Percutaneous Transhepatic Biliary Drainage
Value of Percutaneous Cholangioscopy After Placement of a Percutaneous Transhepatic Biliary Drainage
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.
Inclusion Criteria:

 PTBD with at least 14 French in diameter

 Exclusion Criteria:

 missing informed consent