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What is 3D mammography?
3D mammography, sometimes referred to as tomosynthesis, takes only a few moments longer than a standard mammogram. In both instances, the breast is compressed between plates to obtain images. However, during a 3D mammogram, the scan takes a series of X-rays from different angles. The computer then digitally recreates the breast, and radiologists can view a series of “slices” of the image, making it easier to see and evaluate possible abnormalities.
Who should have a 3D mammogram?
Women with dense breast tissue benefit most. Breasts are made up of several tissues, including glandular tissue, connective tissue, and fatty tissue. “Dense breast tissue” means a woman has more glandular and connective tissue than fatty tissue. This is important because on a standard mammogram, glandular/connective tissue and cancer both appear white, making it hard to differentiate between the two.
How do you know whether you have “dense breasts”?
The ratio of glandular/connective tissue to fatty tissue varies widely among women. Breast density only describes how breasts look on a mammogram. It isn’t a measure of how they feel. Clinically speaking, breast density is gauged on a scale of one to four, from almost entirely glandular/connective tissue to almost entirely fatty tissue, or degrees in between. Eighty percent of women are not on either end of the spectrum but somewhere in the middle. However, younger women and women with smaller breasts are more likely to have dense breasts. For many, breasts become less dense after menopause.
On the results letter you receive following a mammogram, it should tell you if you have dense breasts. If you find that you do, you should talk to your doctor about alternative testing. That may be 3D mammography. It may also be an ultrasound or an MRI, depending on your family history and just how dense your breasts are.
What are the benefits of 3D mammography?
Many studies in Europe and the U.S. have substantiated superior breast cancer detection rates when combining 3D mammography with conventional 2D mammography. This ability to detect breast cancer at an earlier stage saves lives.
Why is mammography important?
Breast cancer is the most diagnosed cancer in women, affecting one in every eight women in the U.S. The goal of screening exams is to identify breast abnormalities as early as possible, facilitate early cancer detection, and thereby provide patients with more treatment options and a better chance for survival. Yearly mammography will help detect subtle new findings. Women whose breast cancer is detected at an early stage have a 93% or better survival rate in the first five years.
Are you a candidate for 3D mammography?
If you think you’d benefit from a 3D mammogram, talk to your doctor for a referral to one of Dignity Health Advanced Imaging locations throughout Greater Sacramento.
Or contact us at one of our imaging locations offering 3D mammography:
Dignity Health Medical Foundation—East Woodland
2081 Bronze Star Drive
Woodland, CA 95776
(In the Costco Shopping Center)
Roseville Women’s Imaging Center
1380 Lead Hill Blvd., Building B, Suite 100
Roseville, CA 95661
Dignity Health Advanced Imaging, Sacramento
Dignity Health Advanced Imaging, Elk Grove
Dignity Health Advanced Imaging, Folsom II