Home > Oncology > One in seven breast cancers “overdiagnosed” in women 50-74

One in seven breast cancers “overdiagnosed” in women 50-74


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Journal
Annals of Internal Medicine
Reuters Health - 28/02/2022 - About 15% of screen-detected breast cancers among women ages 50-74 would not have caused symptoms or signs in a woman's remaining lifetime, which is less than previously thought, a modeling study suggests. Identification of those cancers on screening is considered to be overdiagnosis. "We have long known that the most prominent estimates of breast cancer overdiagnosis in the U.S. were inflated," senior author Dr. Ruth Etzioni of the Fred Hutchinson Cancer Research Center in Seattle told Reuters Health by email. "While our results confirm that breast cancer overdiagnosis is real, they also reassure that it is not as alarmingly frequent as the most prominent studies have suggested." Lead author Dr. Marc Ryser of Duke University in Durham also commented by email. "While mammography has been shown in randomized trials to be effective at reducing the risk of dying from breast cancer, the overdiagnosis issue has created confusion for m...


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