People who have a single low-risk polyp removed have a much lower risk of colon cancer, compared to both the general public and patients who have multiple polyps or aggressive polyps removed, said lead author Dr. Magnus Loberg, a lecturer in health management and health economics at the University of Oslo.
"These findings support more intense surveillance of the high-risk group, but should maybe lead to reconsideration of the guidelines regarding the low-risk group," he said. The study is published in the Aug. 28 issue of the New England Journal of Medicine.
Current guidelines recommended by the American Cancer Society call for repeat colonoscopy at 5 to 10 years for patients who have one or two small, non-aggressive polyps removed, based on risk factors such as family history and prior health problems. People with large or aggressive polyps are encouraged to receive repeat colonoscopy every 3 years.
Study mentioned:
Magnus Loberg, M.D., lecturer, department of health management and health economics, University of Oslo, Norway; David Lieberman, M.D., chief, gastroenterology division, Oregon Health and Science University, Portland, Ore.; Aug. 28, 2014, New England Journal of Medicine
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