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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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Inclusion Criteria:
PTBD with at least 14 French in diameter
Exclusion Criteria:
missing informed consent
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All patients receiving a PTBD
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hannover Medical School | Hanover | Germany |
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