What if your mammogram could tell you more than just whether a suspicious spot is visible today? A new analysis looked at the hidden patterns of asymmetry—the subtle differences between a woman's two breasts—in mammogram images taken near the time of a breast cancer diagnosis. The researchers found that a specific mathematical measure of this asymmetry was linked to a higher risk of having cancer. The link was strongest when they used the raw, unprocessed digital mammogram images. The connection was weaker, but still present, in the standard processed images that radiologists actually review and in 3D mammogram (DBT) images. This suggests some of this potential risk information might be lost when images are processed for clinical use. The study involved women who already had mammograms near their diagnosis, so we don't know if this measure can predict risk for women looking ahead. It's a case-control study, which means it can only show an association, not prove that asymmetry causes cancer. Key details like the exact number of women studied and their broader characteristics weren't reported, so we need to see this work repeated in larger, more diverse groups. For now, it's a fascinating clue about how our bodies might signal risk in ways we're just learning to see.
Can a mammogram's hidden patterns predict short-term breast cancer risk?
Photo by National Cancer Institute / Unsplash
What this means for you:
Mammogram asymmetry is linked to breast cancer risk in a new study, but it's not yet a prediction tool. More on Breast Cancer
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