Calcifications are small deposits of calcium that show up on mammograms as bright white specks or dots on the soft tissue background of the breasts The calcium readily absorbs the Xrays from mammograms Calcifications typically don't show up on ultrasounds, and they never show up on breast MRIs Calcifications are a frequent finding onDense breast tissue is composed of less fat and more connective tissue, which appears white on Xray images created with mammography—the frontline tool of breast cancer screening Cancer also appears white on a mammogram, and if cancer is present, the tumors often are hidden behind the dense tissue Heterogeneously dense Most of the breast is dense tissue with some areas of fat Extremely dense The breasts have almost no fatty tissue
What Are Dense Breasts Does It Matter
