KEITH D. WRENN, M.D.
To the editor: The position paper (1) on the use of flexible sigmoidoscopy for screening is certainly welcome. I disagree, however, with the inclusion of ability to use forceps biopsy as a technical skill in Table 4. In screening for colorectal cancer in asymptomatic patients, forceps biopsy probably does not have to be done. If a polyp is found, it should be completely removed regardless of its size or the pathologic findings. It is well known that these biopsies are superficial and that malignant foci within a polyp may be missed (2, 3). In addition, there is at least a
WRENN KD. Flexible Sigmoidoscopy for Screening. Ann Intern Med. ;108:494–495. doi: 10.7326/0003-4819-108-3-494_2
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Published: Ann Intern Med. 1988;108(3):494-495.
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