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Key clinical point: A family history of breast cancer (FHBC) was positively associated with mammographic breast density in premenopausal women, highlighting the role of heredity and the need for initiating early annual screening in women with an FHBC.
Major finding: The volumetric percent density was 25% higher among premenopausal women with vs. without FHBC (odds ratio [OR] 1.25; 95% CI 1.12-1.41) in the discovery cohort, and the odds of having a dense breast was 30% higher in premenopausal women with vs. without FHBC in the validation cohort (OR 1.30; 95% CI 1.17-1.45).
Study details: This study evaluated two retrospective cohorts, a discovery set of 375 premenopausal women and a validation set of 14,040 premenopausal women without any history of cancer, including breast cancer, or breast augmentation/reduction.
Disclosures: This study was supported by US National Institutes of Health (NIH)/National Cancer Institute and the National Institute on Minority Health and Health Disparities of the NIH. The authors declared no conflicts of interest.
Source: Han Y et al. Family history of breast cancer and mammographic breast density in premenopausal women. JAMA Netw Open. 2022;5(2):e2148983 (Feb 17). Doi: 10.1001/jamanetworkopen.2021.48983
Key clinical point: A family history of breast cancer (FHBC) was positively associated with mammographic breast density in premenopausal women, highlighting the role of heredity and the need for initiating early annual screening in women with an FHBC.
Major finding: The volumetric percent density was 25% higher among premenopausal women with vs. without FHBC (odds ratio [OR] 1.25; 95% CI 1.12-1.41) in the discovery cohort, and the odds of having a dense breast was 30% higher in premenopausal women with vs. without FHBC in the validation cohort (OR 1.30; 95% CI 1.17-1.45).
Study details: This study evaluated two retrospective cohorts, a discovery set of 375 premenopausal women and a validation set of 14,040 premenopausal women without any history of cancer, including breast cancer, or breast augmentation/reduction.
Disclosures: This study was supported by US National Institutes of Health (NIH)/National Cancer Institute and the National Institute on Minority Health and Health Disparities of the NIH. The authors declared no conflicts of interest.
Source: Han Y et al. Family history of breast cancer and mammographic breast density in premenopausal women. JAMA Netw Open. 2022;5(2):e2148983 (Feb 17). Doi: 10.1001/jamanetworkopen.2021.48983
Key clinical point: A family history of breast cancer (FHBC) was positively associated with mammographic breast density in premenopausal women, highlighting the role of heredity and the need for initiating early annual screening in women with an FHBC.
Major finding: The volumetric percent density was 25% higher among premenopausal women with vs. without FHBC (odds ratio [OR] 1.25; 95% CI 1.12-1.41) in the discovery cohort, and the odds of having a dense breast was 30% higher in premenopausal women with vs. without FHBC in the validation cohort (OR 1.30; 95% CI 1.17-1.45).
Study details: This study evaluated two retrospective cohorts, a discovery set of 375 premenopausal women and a validation set of 14,040 premenopausal women without any history of cancer, including breast cancer, or breast augmentation/reduction.
Disclosures: This study was supported by US National Institutes of Health (NIH)/National Cancer Institute and the National Institute on Minority Health and Health Disparities of the NIH. The authors declared no conflicts of interest.
Source: Han Y et al. Family history of breast cancer and mammographic breast density in premenopausal women. JAMA Netw Open. 2022;5(2):e2148983 (Feb 17). Doi: 10.1001/jamanetworkopen.2021.48983