“Breast density can have a masking effect on mammography, where it can be more difficult to find a breast cancer within an area of dense breast tissue,” Jiang wrote in her email. In March, the US Food and Drug Administration published updates to its mammography regulations, requiring mammography facilities to notify patients about the density of their breasts. Damian Dovarganes/APįDA to require mammogram reports include breast density information women getting mammograms will soon receive information about their breast density, which can sometimes make cancer harder to spot, under government rules finalized Thursday, March 9, 2023. In this file photo, a radiologist uses a magnifying glass to check mammograms for breast cancer in Los Angeles, May 6, 2010. Not only is breast density a known risk factor for breast cancer, dense breast tissue can make mammograms more difficult to read. “This study found that evaluating longitudinal changes in breast density from digital mammograms may offer an additional tool for assessing risk of breast cancer and subsequent risk reduction strategies,” the researchers wrote. The researchers also found that there was a significant decrease in breast density among all the women over the course of 10 years, regardless of whether they later developed breast cancer, but the rate of density decreasing over time was significantly slower among breasts in which cancer was later diagnosed. The average age of the participants was around 57.Īmong the women, there were 289 cases of breast cancer diagnosed, and the researchers found that breast density was higher at the start of the study for the women who later developed breast cancer compared with those who remained cancer-free. The women in the study were recruited from November 2008 to April 2012, and they had gotten mammograms through October 2020. New study suggests Black women should be screened at younger age for breast cancer A mammogram is an X-ray picture of the breast that doctors use to look for early signs of breast cancer. Louis region who completed routine mammograms. Louis and Brigham and Women’s Hospital in Boston, analyzed health data over the course of 10 years among 947 women in the St. The researchers, from Washington University School of Medicine in St.
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“We should make full use of this dynamic information to better inform risk stratification and guide more individualized screening and prevention approaches.” “Because women have their mammograms taken annually or biennially, the change of breast density over time is naturally available,” Jiang said in the email. Louis and first author of the new study, wrote in an email.īreast density refers to the amount of fibrous and glandular tissue in a person’s breasts compared with the amount of fatty tissue in the breasts – and breast density can be seen on a mammogram. “We know that invasive breast cancer is rarely diagnosed simultaneously in both breasts, thus it is not a surprise that we have observed a much slower decline in the breast that eventually developed breast cancer compared to the natural decline in density with age,” Shu Jiang, an associate professor of surgery at Washington University School of Medicine in St.
Many women underestimate breast density as a risk factor for breast cancer, study shows
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