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3D Mammography

Women have access to the latest breast imaging technology at St. Luke's, including 3D mammography. Also referred to as breast tomosynthesis, 3D mammography is an advanced screening and diagnostic tool designed to improve early breast cancer detection.

3D mammography (as well as 2D digital mammography) is available for walk-in screening mammograms and mammogram appointments at these locations:

St. Luke's Women's Center at St. Luke's Hospital
232 S. Woods Mill Rd., Ste. 200 East
Call 314-205-6267

St. Luke's Women's Center - Chesterfield Valley
6 McBride & Son Dr., Ste. 102
Call 636-530-5505

St. Luke's Mobile Mammography Unit (the first mobile unit in the St. Louis area to offer 3D mammography)
Call 314-205-6267
View the schedule

St. Luke's CDI - Midwest Breast Care
450 North New Ballas Rd., Ste. 250 N
Call 314-567-4449

St. Luke's CDI - WingHaven 
5551 WingHaven Blvd., Ste. 60 
O'Fallon, MO 63368 
Call 636-625-4434 

All Mammogram Locations >
Benefits of 3D mammography:

  • It improves breast cancer detection by up to 40%.
  • It reduces the chance of call-backs for follow-up imaging by up to 40%.
  • It is particularly beneficial for women with dense breasts or with a personal or family history of breast cancer.

What's the difference - 2D vs. 3D?
Image - 3D provides a clearer, more detailed picture of the breast tissue.

  • 2D produces 2 single images of the breast.
  • 3D produces multiple thin images of the breast. This shows greater detail and can uncover cancers hidden in a 2D image by overlapping tissue.

Exam time - Exam time is the same for 2D and 3D.
X-ray exposure - Nearly the same for 2D and 3D.

What is the cost?
Annual screening mammography is a covered benefit under most health insurance plans (including under the Affordable Care Act) and Medicare. Ask your insurance provider about your coverage.

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