Risks breast density

Mammographic density has been shown to be a strong independent predictor of breast cancer and a causative factor in reducing the sensitivity of mammography. There remain questions as to the use of mammographic density information in the context of screening and risk management, and of the association with cancer in populations known to be at increased risk of breast cancer. We assessed the association of each measure with breast cancer risk in these populations at enhanced risk, using logistic regression adjusted for age and total breast volume as a surrogate for body mass index BMI. All density measures showed a positive association with presence of cancer and all declined with age. The effect of Volpara volumetric density on risk was stronger for large and grade 3 tumours.
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Dense Breasts: Answers to Commonly Asked Questions

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Mammographic density and risk of breast cancer.

Dense breasts have less fatty tissue and more non-fatty tissue compared to breasts that aren't dense. Dense breasts have more gland tissue that makes and drains milk and supportive tissue also called stroma that surrounds the gland. Breast density can be inherited, so if your mother has dense breasts, it's likely you will, too. Still, no one method of measuring breast density has been agreed upon by doctors. Breast density is not based on how your breasts feel during your self-exam or your doctor's physical exam. If you have dense breasts, there lifestyle choices you can make to keep your breast cancer risk as low as it can be:. These are just a few of the steps you can take.
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How breast density affects cancer risk

Breasts contain glandular, connective, and fat tissue. Breast density is a term that describes the relative amount of these different types of breast tissue as seen on a mammogram. Dense breasts have relatively high amounts of glandular tissue and fibrous connective tissue and relatively low amounts of fatty breast tissue. Only a mammogram can show if a woman has dense breasts.
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Metrics details. Variations in percent mammographic density PMD reflect variations in the amounts of collagen and number of epithelial and non-epithelial cells in the breast. Extensive PMD is associated with a markedly increased risk of invasive breast cancer. The PMD phenotype is important in the context of breast cancer prevention because extensive PMD is common in the population, is strongly associated with risk of the disease, and, unlike most breast cancer risk factors, can be changed. Work now in progress makes it likely that measurement of PMD will be improved in the near future and that understanding of the genetics and biological basis of the association of PMD with breast cancer risk will also improve.
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