Christopher Marshall

Background: Accurate classification of biliary strictures continues to be a challenge, in part due to inadequate sampling techniques…

Introduction: Indeterminate biliary strictures persist as a diagnostic challenge. Diagnostic tools include brush cytology (BC) and forceps biopsy (FB); however, these modalities have poor sensitivity for detecting malignancy…

INTRODUCTION: Clinicians struggle with classifying biliary tract strictures as being benign or malignant due to inadequate sampling techniques. Current sampling modalities include brush cytology (BC) and forceps biopsy (FB), which have poor sensitivity for identifying malignancy…