Dense breast tissue refers to the appearance of breast tissue on a mammogram. It's a normal and common finding. Breast tissue is composed of milk glands, milk ducts and supportive tissue (dense breast tissue), and fatty tissue (nondense breast tissue). When viewed on a mammogram, women with dense breasts have more dense tissue than fatty tissue. Regular mammograms are the best way to find breast cancer early. But if your mammogram report says that you have dense breast tissue, you may be wondering what that means. Having dense breasts is very common and is not abnormal. What is dense breast tissue? Breasts are Last Revised: October 9, 2017.
High breast density means there's a greater amount of breast and connective tissue compared to fat. Low breast density means there's a greater amount of fat compared to breast and connective tissue. By looking at your mammogram or the measure of breast density, your health care provider may conclude you have dense breasts. Mar 13, 2019 · The National Cancer Institute (NCI) defines dense breast tissue as having more glandular and fibrous connective tissue, lacking the relative amount of fatty tissue that mammography needs to reveal breast tumors. About 40 percent of women who have mammograms have dense breast tissue, which can’t be detected by touch, only through a mammogram.
Mammogram Challenges. Dense breasts are harder to read on a mammogram. Tumors and masses show up as white spots just like dense tissue does. So it can be a .