Rethinking Routine MammogramsThe findings apply to routine mammograms that is, regular mammograms to screen for new breast cancers in women at normal risk. They do not apply to any woman who finds a lump in her breast, or feels that there is anything abnormal about her breast.
Welch notes that many women may find that the benefits of routine mammograms outweigh these risks.
"The American Cancer Society believes that the total body of the science supports the fact that regular mammography is an important part of a woman's preventive health care," he states. "Following the American Cancer Society's guidelines for the early detection of breast cancer improves the chances that breast cancer can be diagnosed at an early stage and treated successfully."
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How many lives? If the full 10% drop in breast cancer deaths among screened women in the Norwegian study is totally due to mammograms themselves Welch calls this an optimistic assumption one life is saved for every 2,500 women who get regular mammograms.
Moreover, a large number of screened women will have worrisome mammogram results.
The very fact that the American Cancer Society recommendations are so hotly debated, Welch says, means that doctors remain divided.
In a statement, the American Cancer Society's chief medical officer, Otis W. Brawley, MD, notes that routine breast cancer screening programs reduce cancer deaths not only through actual mammograms but by increasing women's breast cancer awareness.
Brawley stresses that the American Cancer Society has not changed its recommendations.
"Among the 2,500 women screened, at least 1,000 will be told something looks wrong on their mammogram, and they will have to worry that they have cancer," Welch says. "The vast majority will turn out not to have cancer, but all of them will worry."
"Studies have shown that the increased awareness about the value of early detection has contributed to women becoming aware of breast symptoms earlier and reporting them more promptly to a health care professional," Brawley writes. "When this heightened awareness contributes Prada Women Backpack to breast cancer being treated earlier, prognosis is improved."
Sept. health care: that all women should get regular mammograms once they reach a certain age. The advice is so entrenched that it often is used as a measure of health care quality.
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The study, performed in Norway, was not a clinical trial that randomly assigned women to get or not get mammograms. But because Norway began breast cancer screening in some parts of the country before others, it was able to look at screened and unscreened women who got breast cancer at the same time and to compare each group to matched women in the pre screening era.
"When we launched the breast cancer screening program in Norway, we expected to reduce breast cancer deaths by 30% in 10 years," Mette Kalager, MD, of Oslo University Hospital, tells WebMD. "But we found only a 10% reduction in death from breast cancer. It's far less than we expected it to be."
"But it should not be jammed down people's throats. . The system we are working in leads doctors to coax, scare, and coerce women into having this test."
Why would a woman at normal risk of breast cancer want to get routine mammograms? The obvious answer is that these tests save lives.
Women with previous breast cancer and those with a close relative who had breast cancer before age 65 are at higher risk. Such high risk women clearly benefit from regular mammograms. Preventive Services Task Force recommends mammograms once every two years for all women from ages 50 to 74. women continue to get routine mammograms? It's a "close call," says H.
Mammograms Less Effective Than Believed
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"This is a test that women who want it should be able to have," Welch tells WebMD. Prada Green Bag
decision about how to weigh these very dissimilar things," Welch says. "Some will benefit in a very large way. But to achieve that benefit, a lot of others will have to go through something with very negative effects. It is not wrong to want a routine mammogram, and it is not wrong not to want one."
Breast cancer deaths did, indeed, go down by 30% in the screened group. But unscreened women had a 20% drop in cancer deaths. This, Kalager says, was largely due to a policy of having all women with breast cancer treated by teams that included radiologists, oncologists, surgeons, nurses, and other professionals working closely together.
But what's the harm of routine mammograms?
to cause problems," Welch says. "Because we don't know which cancers these are, all cancers are treated. This means some women will undergo needless surgery, radiation, or chemotherapy. On balance, this is about five to 15 of those 2,500 women screened."
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