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PubMed1980

Sigmoidoscopy.

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Colonoscopy↗
PubMed1980

Flexible fibreoptic sigmoidoscopy--an alternative to colonoscopy?

The results of 166 colonoscopic examinations are reported with particular reference to site and nature of the lesion identified. One hundred and fifty-five polyps and 13 colorectal cancers were found, 62 polyps and five cancers being beyond 50 cm from the anal verge. It is suggested that the number of lesions beyond the reach of a flexible fibreoptic sigmoidoscope would be unacceptably high and that there can be no justification for the purchase of such an instrument as an alternative to a full length colonoscope. Whilst the fibreoptic instrument does have advantages as a sigmoidoscope its cost will preclude its widespread use in New Zealand at the present time.

Carcinoma↗
PubMed1982

Flexible fiberoptic sigmoidoscopy.

The 35-cm flexible fiberoptic proctosigmoidoscope is a cost-effective instrument for the family physician. Nonendoscopists have mastered its use with no reported complications. Patient tolerance is high compared to tolerance for the rigid scope. The pathology yield per procedure is two to four times greater than that reported with the rigid sigmoidoscope. Yields with the 35-cm instrument have matched those documented with the 65-cm fiberoptic instrument.

Aged↗
PubMed1982

Sigmoidoscopy.

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Colitis, Ulcerative↗
PubMed1979

Flexible sigmoidoscopy as a screening procedure for neoplasia of the colon.

Two hundred asymptomatic United States veterans older than 40 years of age were evaluated with a flexible sigmoidoscope plus Hemoccult stool tests. Mean distance and time for the former were 56.4 centimeters and 7.4 minutes, respectively. There were no complications. Polyps greater than or equal to 0.5 centimeter in diameter were found in 11.9 per cent of those older than 50 years. No polyps of this size were found in patients younger than 50 year of age. Results of Hemoccult tests were negative in 83.3 per cent of those with polyps. A flexible sigmoidoscope is a safe, rapid and effective means of identifying that portion of the asymptomatic adult population having colonic polyps. For this purpose, it is vastly more sensitive than Hemoccult stool testing. Because of the relationship between colonic polyps and carcinoma, this technique may prove invaluable in the identification of those patients with an increased potential for the development of carcinoma of the colon.

Adult↗