• Breast Density

  • Women with dense breast tissue face a significantly higher risk of breast cancer.

    Here's why you will want to talk with your doctor about your breast density.

    • Breast density (the ratio of fatty vs. glandular/fibrous tissue) as confirmed by mammography, is recognized as a strong and independent risk factor for breast cancer.
    • Women with dense breast tissue have a 4-6 times higher [1] risk of developing breast cancer than women with minimal fibroglandular tissue in their breasts.
    • A 2011 Mayo Clinic study found that, in women with dense breast tissue, 75% of cancer is missed by mammography alone.

    The American Cancer Society now advises women with extremely dense breast tissue to talk with their doctors about more definitive imaging. With the addition of breakthrough automated breast ultrasound (ABUS) and 3D tomosynthesis technology, St. Anthony Breast Center can provide women with dense breast tissue the next-level imaging they need.

    Studies show some 46% [2] of all women have breast density in category 3 or 4.

    Breast Density 1 to 4 Chart

    We offer advanced imaging to meet each woman's specific needs and all levels of breast density. Two important technologies include:  

  • 3D Tomosynthesis

    3D Digital Mammography

    Breast tomosynthesis delivers priceless 3D insight at no additional cost to your patients. St. Anthony Breast Center was one of the first hospitals in the nation to offer this revolutionary technology. 3D mammography enables radiologists to identify and characterize individual breast structures at single-millimeter intervals without the confusion of overlapping tissue. This improved imaging accuracy has increased detection of invasive breast cancers by 40% and reduced false-positive rates by 15%. [3]

  • ABUS Breast Ultrasound

    Automated Breast Ultrasound

    ABUS captures 300 slices at 2mm intervals for precise anatomical detail review without radiation. Ours is the first and only ultrasound system developed and FDA approved specifically for breast cancer screening in women with dense breast tissue. ABUS has been shown to improve breast cancer detection by 35.7% over mammography alone. [4] Multiple clinical research studies demonstrate that radiologists can detect more cancers at an earlier, more treatable stage when using ABUS as an added screening tool with mammography.

  • 1 Boyd NF et al. Mammographic Density and the Risk and Detection of Breast Cancer. NEJM 2007; 356: 227-36.
    2 Pisano et al. Diagnostic Performance of Digital versus Film Mammography for Breast –Cancer Screening. NEJM 2005;353:1773.
    3 Skane, Radiology, Vol. 267:1; pgs. 47-56
    4 FDA PMA P110006 summary of safety and effectiveness
  • Breast Density Chart
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