Is there a role for cholangioscopy in patients with primary sclerosing cholangitis?
OBJECTIVES: Assess the role of cholangioscopy in primary sclerosing cholangitis for 1) detection of cholangiocarcinoma using cholangioscopy-assisted biopsy 2) detection of stones not seen on cholangiography 3) stone removal with cholangioscopy-directed lithotripsy. METHODS: Prospective cohort of consecutive patients referred for cholangioscopy to evaluate dominant strictures or stones. A data collection sheet was employed. Follow-up was by chart review/phone contact. Clinical improvement was defined as resolution of jaundice or > or =50% reduction in pain or cholangitis episodes requiring hospitalization. RESULTS: 41 patients (30M, 11F) had 60 cholangioscopy procedures (55 per oral, 5 percutaneous). 33/41 (80%) patients underwent 44 tissue sampling events. Histology: positive for extrahepatic cholangiocarcinoma (N = 1), negative/atypical (N = 31), and inadequate (N = 1). Stones were found in 23/41 (56%) patients, of which 7/23 (30%) were missed on cholangiography and detected only by c
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