Comparison Bile Duct Brushings, Cholangioscopy-Directed Biopsies and Pediatric Forceps Biopsies in Biliary Strictures
Stopped Inadequate enrollment
Conditions
- Cholangiocarcinoma
- Stricture; Bile Duct
Interventions
- PROCEDURE: Biopsies of bile duct stricture with pediatric biopsy forceps
- PROCEDURE: Biopsies of bile duct stricture with cholangioscopy-directed biopsies
Sponsor
Stanford University
Collaborators
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