title: The Olympus S1F small intestinal fiberscope type B may lose its hood.
mesh_terms: D000328:Adult; D004379:Duodenal Neoplasms / Q000175:diagnosis; D004386:Duodenum; D019723:Endoscopes; D004724:Endoscopy / Q000009:adverse effects*; D004868:Equipment Failure; D005547:Foreign Bodies / Q000628:therapy*; D006801:Humans; D008297:Male; D011127:Polyps / Q000175:diagnosis