The American journal of gastroenterology · 1993
Colorectal cancer screening: is one-year surveillance sigmoidoscopy necessary?
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Brint S L, DiPalma J A, Herrera J L
Аннотация
OBJECTIVES: To assess the diagnostic yield of the 1-yr follow-up flexible sigmoidoscopy examination for the detection of colonic neoplasia in a colorectal cancer screening program.
METHODS: Data were prospectively collected for flexible sigmoidoscopies performed between July 1991 and July 1992 as part of the University of South Alabama Colon Cancer Registry.
RESULTS: A total of 217 subjects with an age-related risk of colon carcinoma and no evidence of occult blood by stool examination were enrolled. One hundred and sixteen underwent initial sigmoidoscopic examination, and 101 had a 1-yr surveillance examination. Ten of the 116 patients (8.6%) undergoing initial surveillance sigmoidoscopy were found to have neoplastic lesions. In contrast, only 1/101 (1%) patients undergoing 1-yr follow-up surveillance sigmoidoscopy was found to have a neoplastic lesion. Neoplastic lesions in both groups were adenomas. No carcinomas were found.
CONCLUSIONS: These data suggest that the 1-yr surveillance sigmoidoscopy adds little to the diagnostic yield of colon cancer screening.
METHODS: Data were prospectively collected for flexible sigmoidoscopies performed between July 1991 and July 1992 as part of the University of South Alabama Colon Cancer Registry.
RESULTS: A total of 217 subjects with an age-related risk of colon carcinoma and no evidence of occult blood by stool examination were enrolled. One hundred and sixteen underwent initial sigmoidoscopic examination, and 101 had a 1-yr surveillance examination. Ten of the 116 patients (8.6%) undergoing initial surveillance sigmoidoscopy were found to have neoplastic lesions. In contrast, only 1/101 (1%) patients undergoing 1-yr follow-up surveillance sigmoidoscopy was found to have a neoplastic lesion. Neoplastic lesions in both groups were adenomas. No carcinomas were found.
CONCLUSIONS: These data suggest that the 1-yr surveillance sigmoidoscopy adds little to the diagnostic yield of colon cancer screening.