Abstract
The ACMI F91-S flexible fiberoptic sigmoidoscope was used for routine screening examinations in 468 subjects. The mean level reached was 63 cm (usually with less discomfort to the patient when compared with rigid proctosigmoidoscopy), and the average time required for the examination was 6 minutes. Of the polypoid lesions found, 53% were above the 25 cm level. The authors recommend the incorporation of flexible pansigmoidoscopy in mass screening programs.
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