Medical Devices

MIT AI model is ‘significantly’ better at predicting breast cancer

Lester Lefkowitz via Getty Images

The model can find breast cancer earlier and eliminates racial disparities in screening.

MIT researchers have invented a new AI-driven way of looking at mammograms that can help detect breast cancer in women up to five years in advance. A deep learning model created by a team of researchers from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) and Massachusetts General Hospital can predict — based on just a mammogram — whether a woman will develop breast cancer in the future. And unlike older methods, it works just as well on black patients as it does on white patients.

The scientists first looked at the mammograms of over 60,000 patients who were treated at Massachusetts General. They then identified the women that developed breast cancer within five years of their screening. With this data, scientists created a model that recognizes the subtle patterns in breast tissue that are the early signs of cancer. The results of the study can be found in a paper published this week in the journal Radiology.

AI has the potential to help fix the racial disparity in women’s healthcare as well. Since current guidelines for breast cancer are based on primarily white populations, this can lead to delayed detection among women of color, a 2018 report in JAMA Surgery found. This has lead to severe consequences; Black women are 43 percent more likely to die from breast cancer than white women. On average, Hispanic, black and Asian women develop breast cancer at an earlier age than their white counterparts.

Scientists found that their AI model worked on both black patients and white patients for a simple reason; their training data included both populations. “It’s particularly striking that the model performs equally as well for black and white people, which has not been the case with prior risk assessment tools”, said Dr. Allison Kurian, associate professor of Medicine and Health Research and Policy at Stanford University to MIT. “If validated and made available for widespread use, this could really improve on our current strategies to estimate risk.”

Source: www.engadget.com

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