Diseases & Conditions
Flexible sigmoidoscopy: it works
Findings from a large clinical trial reported in The New England Journal of Medicine add to previous evidence that undergoing a flexible sigmoidoscopy every three to five years reduces the risk of developing colorectal cancer later in life. This is important because sigmoidoscopy is less invasive and easier to prep for than full colonoscopy, which uses a longer instrument to examine the entire colon. Some people might choose to undergo sigmoidoscopy who might otherwise avoid screening.
"Sigmoidoscopy has fewer complications, easier prep and no sedation," says Dr. William Kormos, editor in chief of Harvard Men's Health Watch. "It is reasonable start for people at average risk."
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