1 in 2 of women will have false positive result from annual mammogram
The researchers announced that more than half of healthy women who have their yearly mammogram will get at least one false positive result over a 10-year period and 7 to 9 percent will undergo a biopsy that doesn't turn out to show cancer.
They also suggest that having a mammogram every other year instead of every year would reduce the risk of a false positive to approximately one third, but it could lead catching cancers at a later stage.
In 2009 American Preventive Service Target group supported by the government a consultative group, has let out new supervising principles which have offered that women have begun usual mammograms in 50 years, instead of 40, partially because tests have such high false positive indicators, and benefit in the rescued lives didn't outweigh anxiety and the torture caused by false positive results.
The change contradicted years of messages on requirement for usual screening of breast cancer, beginning in 40 years, and has caused return reaction from doctors of cancer and groups of protection of interests who have told that tests save lives and stand risk of false positive result of tests from time to time.
In the last study researchers have analyzed the data from a large breast cancer registry which included more than 169 000 women at the age of 40 - 59 in seven regions round the United States.
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