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Personalised breast cancer screening

Researchers have created a model for predicting individual breast cancer risk that could be used to create personalised breast screening strategies.

The research, presented in November at the 13th European Breast Cancer Conference, could make breast screening programmes more effective and improve survival rates.

The research included data from around 50,000 women who were taking part in BreastScreen Norway – a national programme that invites all women aged 50–69 to have a mammogram every two years – between 2007 and 2020.

The researchers used data on 10 known risk factors to estimate individual women’s risks of developing breast cancer over a period of four years.

They compared these risk factors in women with and without a breast cancer diagnosis to assess the impact of each individual risk factor, to develop the model and to check whether the model was broadly accurate.

They found that the risk of developing breast cancer over a period of four years ranged from as low as 0.22% for some people, up to 7.43% for others, with an average (median) risk of 1.10%.

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Image credit | iStock

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