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Previous Volume 342:737-739 March 9, 2000 Number 10 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Like Fenlon et al. (Nov. 11 issue),¹ we undertook a prospective study to establish the sensitivity, specificity, and accuracy of virtual colonoscopy. Of 25 patients (median age, 71 years) with large-bowel symptoms (mainly rectal bleeding) who underwent virtual colonoscopy and then conventional colonoscopy immediately afterward (complete to the cecum in 24 patients), 5 had a polyp or cancer larger than 10 mm (range, 10 to 50), and 1 had an amyloid deposit. Only one of these lesions was identified with virtual colonoscopy. Four patients had false positive findings of polyps (polyp size, 6 to 40 mm); in . . . [Full Text of this Article]

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