Malignant biliary strictures
Conditions
Interventions
Gold Standard:Pathological results
Index test:The index diagnostic test was ERCP-guided sampling with the reverse biopsy forceps, advanced over a guidewire across the stricture to the proximal side, opened upstream, and then retracted
Sponsors
Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. The cross-sectional imaging (such as CT/MRI) indicates a suspected malignant biliary stenosis; 2. It is planned to perform ERCP, and during the ERCP procedure, tissue/cell sampling through ERCP is intended to be conducted; 3. A written informed consent has been signed and the participant voluntarily participates in the study.
Exclusion criteria
Exclusion criteria: 1. Age 1.5); 3. Irreversible thrombocytopenia (platelet count < 50×10^9/L); 4. Unable to undergo ERCP due to severe comorbidities; or refused to participate in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Overall diagnostic accuracy; | — |
Secondary
| Measure | Time frame |
|---|---|
| Technical success;Specimen quality score;Maximal specimen diameter;Specimen size; | — |
Countries
China
Contacts
Public ContactQiang Wang
Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College
Outcome results
None listed