Doctors have known for years that dense breast tissue is linked to a higher risk of breast cancer, but a new study advances that knowledge, finding that a slower loss of density during aging increases the chances of getting breast cancer.
May 1, 2023 -- Doctors have known for years that dense breast tissue is linked to a higher risk of breast cancer.advances that knowledge, finding that a slower loss of density during aging increases the chances of getting breast cancer. Further, a slower density decline in one breast sometimes precedes a cancer diagnosis in that breast.
The research team from Washington University in St. Louis studied about 10,000 women who were free of breast cancer over 10 years. They said 289 participants developed breast cancer. Their mammograms were compared to those of 658 women who were similar in age and year of enrollment in the study. All the women showed decreased breast density over time, but those who got cancer had a slower rate of decline in density, compared to the control group.
“This is the first study I’ve seen that looks specifically across time at changes from breast to breast, instead of averaging the two breasts, where you might miss these changes,” Karen Knudsen, PhD, chief executive of the American Cancer Society, toldThat information could be used to individualize breast cancer prevention strategies, Graham A. Colditz, MD, deputy director of the Institute for Public Health at Washington University in St.
In March, the FDA recommended mammogram centers must alert women if they have dense breasts that could put them at increased risk for breast cancer.“Longitudinal Analysis of Change in Mammographic Density in Each Breast and Its Association With Breast Cancer Risk”Healio. “Slower decrease in breast density associated with higher risk for developing breast cancer”
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