Sigmoidoscopy screening every five years may be too frequentBMJ 2003; 326 doi: http://dx.doi.org/10.1136/bmj.326.7396.949/a (Published 03 May 2003) Cite this as: BMJ 2003;326:949
- Scott Gottlieb
- New York
Although current US guidelines recommend that adults aged more than 50 years undergo sigmoidoscopy screening for colon cancer every five years, that may be unnecessarily frequent, a new study says.
Screening methods for colorectal cancer include fecal occult blood testing—to identify blood in the stool—and colonoscopy and sigmoidoscopy, in which a flexible, lighted tube is inserted into the rectum and passed through the colon to identify any polyps, or small growths, that can develop into cancer. Colonoscopy examines the …
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