Large, European study found colonoscopies didn't reduce the risk of colon cancer deaths.
Despite the findings of a large European study suggesting that the benefits of colonoscopies may not be as strong as thought, doctors in the U.S. say screening does detect colorectal cancer and saves lives., found that colonoscopies cut the risk of colon cancer by about a fifth, far below estimates from earlier scientific studies.
That was a"serious shortcoming" of the study, said Dr. Richard Wender, chair of the Department of Family Medicine and Community Health in the Perelman School of Medicine at the University of Pennsylvania. “In order for a colonoscopy to be effective, you have to have it done,” said Dr. Robin Mendelsohn, a co-director of the Center for Young Onset Colorectal and Gastrointestinal Cancers at the Memorial Sloan Kettering Cancer Center.The study’s findings were based on a 10-year follow-up. Researchers in the study said they plan to conduct an additional analysis at 15 years.
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