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Endoscopic Evaluation of Biliary Strictures: Current and Emerging Techniques
Roy Huynh,Corinne Owers,Christopher Pinto,Thuy-My Nguyen,Titus Kwok 대한소화기내시경학회 2021 Clinical Endoscopy Vol.54 No.6
The diagnosis of biliary strictures in clinical practice can be challenging. Discriminating between benign and malignant biliarystrictures is important to prevent the morbidity and mortality associated with incorrect diagnoses. Missing a malignant biliarystricture may delay surgery, resulting in poor prognostic outcomes. Conversely, it has been demonstrated that approximately20% of patients who undergo surgery for suspected biliary malignancies have a benign etiology on histopathology. Traditionaltissue sampling using endoscopic retrograde cholangiography does not always produce a definitive diagnosis, with a considerableproportion of cases remaining as indeterminate biliary strictures. Recent advances in endoscopic techniques have the potential toimprove the diagnostic and prognostic accuracy of biliary strictures.