Journal
CURRENT BREAST CANCER REPORTS
Volume 11, Issue 3, Pages 100-110Publisher
SPRINGER
DOI: 10.1007/s12609-019-00316-4
Keywords
Mammographic density; Breast cancer risk; Mammographic density notification; Collagen; Tissue tensile forces; TACS
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Funding
- National Institutes of Health/National Cancer Institute (NIH/NCI) [R01CA155664, R01CA158668, R01CA170851, R01CA192914, U01CA189283, P30CA033572]
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Purpose of Review Here we aim to review the association between mammographic density, collagen structure, and breast cancer risk. Recent Findings While mammographic density is a strong predictor of breast cancer risk in populations, studies by Boyd show that mammographic density does not predict breast cancer risk in individuals. Mammographic density is affected by age, parity, menopausal status, race/ethnicity, and body mass index (BMI). New studies normalize mammographic density to BMI and this may provide a more accurate way to compare mammographic density in women of diverse race and ethnicity. Preclinical and tissue-based studies have investigated the role collagen composition and structure in predicting breast cancer risk. There is emerging evidence that collagen structure may activate signaling pathways associated with aggressive breast cancer biology. Measurement of film mammographic density does not adequately capture the complex signaling that occurs in women with at-risk collagen. New ways to measure at-risk collagen potentially can provide a more accurate view of risk.
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