Researchers from the University of London analysed the findings of 23 previously published studies investigating the relationship between breast self-examination and death from breast cancer.
Although in some of the studies self-examination was associated with a 36 per cent reduction in the risk of death among women with cancer, the researchers concluded that overall, breast self-examination has little effect on deaths from the disease.
Based on their analysis, they say breast self-examination is unlikely to be a worthwhile alternative to mammography, even if used between examinations.
The study concludes that although women should still be aware of changes in their breasts and seek advice if concerned, 'regular breast self-examination is not an effective method of reducing breast cancer mortality'.
The need to be breast aware
However, self-examination is different from being 'breast aware' – being familiar with the shape and feel of the breast and therefore aware of any major changes.
Most major cancer charities, including Cancer Research UK and Breakthrough Breast Cancer, publish leaflets explaining the benefits of being 'breast aware' and what signs to look out for. These charities are worried women may stop checking their breasts altogether.
Although the study may be correct in concluding that self-examination does not lower breast-cancer death rates, this should not be a reason to stop checking for lumps, says Dr Nigel Bundford, one of the UK’s leading breast cancer specialists.
'Self examination does not detect cancers at an early enough stage to reduce deaths,' says Dr Bundford, professor of surgical oncology at South Manchester University Hospital.
'However, if you examine your breasts regularly and detect a lump, you may find one at an early enough stage to avoid radical surgery, and have less lengthy and invasive treatment.
'This is a difficult message to get across, I know, but on balance I would advise women to continue checking for lumps.'
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