Breast screening successful in saving lives

Overwhelming evidence shows breast screening reduces risk of cancer death: researchers


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Breast cancer death risk lower for women who have regular mammograms: UniSa researcher

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WOMEN who have regular breast screening checks have a 60 per cent lower risk of dying from breast cancer within 10 years of diagnosis, new research has shown.

A study of 50,000 women by a team of international researchers, including UniSA cancer epidemiologist Dr Kerri Beckmann, has shown conclusively that women whose breast cancer is diagnosed because of regular mammograms, respond much better to treatment due to early detection.

The research, used international data to compare breast cancer outcomes of women enrolled in organised breast screening programs over the past 39 years with those who were not.

Researchers say that while all women with breast cancer have benefitted from advances in treatment, there is overwhelming evidence in favour of regular mammograms where mortality is concerned.

Dr Kerri Beckmann, a joint UniSA and King’s College London NHMRC Research Fellow, says the benefits of regular screening are also evident within 20 years of diagnosis, with a 47 per cent lower risk of dying from breast cancer.

The study involved 52,348 women aged 40-69 years in Sweden during 39 years of screening. All patients received stage-specific treatment according to the latest national guidelines, irrespective of how the breast cancer was detected.

“Our findings show that women who choose not to participate in screening experience a significantly higher rate of advanced breast cancers, a greater need for more extensive surgery, a much higher risk of upper body impairments and more extensive radiotherapy and chemotherapy,” Dr Beckmann said.

“For each breast cancer death prevented by screening, a woman is spared the terminal stages of this disease and gains an extra 16.5 years. It is time we focused on combining diagnosis and therapy instead of viewing them as independent, or worse, competing interests.”

The research was published in the journal Cancer

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