OSF St. Joseph Medical Center

3D Mammography

Women who undergo routine mammograms at OSF St. Joseph Medical Center have access to the latest screening and diagnostic technology.

OSF St. Joseph is among the first medical centers in downstate Illinois to offer tomosynthesis or 3D mammography for breast cancer screening. 3D mammography helps radiologists identify and characterize individual breast structures without the confusion of overlapping tissue.

The center’s Selenia® Dimensions® breast tomosynthesis system is made by Hologic, a world leader in digital mammography. The Selenia Dimensions system offers exceptionally sharp breast images, an advanced ergonomic design providing more patient comfort, and the ground-breaking tomosynthesis platform designed to deliver superior screening and diagnostic performance.

Breast cancer screening with tomosynthesis, when combined with a conventional 2D mammography results in higher cancer detection rate than conventional 2D mammography alone.1 Radiologists are reporting that tomosynthesis technology gives them increased confidence with a significant reduction in recall rates. 2

During a 3D mammogram, multiple, low-dose images of the breast are acquired at different angles. These images are then used to produce a series of one-millimeter thick slices that can be viewed as a 3D reconstruction of the breast.

Breast cancer is the second leading cause of cancer death among women, exceeded only by lung cancer. Statistics indicate one in eight women will develop breast cancer sometime in her lifetime. The stage at which breast cancer is detected influences a woman’s chance of survival. If detected early, the five-year survival rate is 98 percent. 3

Frequently Asked Questions

  • What is a 3D mammography breast exam?
  • 3D mammography is a new screening and diagnostic tool designed for early breast cancer detection that can be done in conjunction with a traditional 2D digital mammogram. This oftentimes is referred to as breast tomosynthesis.

    During the 3D part of the exam, the X-ray arm sweeps in a slight arc over your breast, taking multiple breast images instead of one straight-down picture. Then, a computer produces a 3D image of your breast tissue in one millimeter slices, providing greater visibility for the radiologist to see breast detail in a way never before possible. They can scroll through images of your entire breast like pages of a book.
  • Why is there a need for tomosynthesis breast exams?
  • With conventional digital mammography, the radiologist is viewing all the complexities of your breast tissue in one flat image. Sometimes breast tissue can overlap, giving the illusion of normal breast tissue looking like an abnormal area.

    By looking at the breast tissue in one millimeter slices, the radiologist can provide a more confident assessment. 1 In this way, 3D mammography can find cancers missed with conventional 2D mammography.3
  • What are the benefits?
  • The additional 3D images make it possible for a radiologist to gain a better understanding of your breast tissue during a screening1 or diagnostic mammogram and the confidence to reduce the need for follow-up imaging. 2
  • What should I expect during the 3D mammography exam?
  • 3D mammography complements standard 2D mammography and is performed at the same time with the same system. There is no additional compression required, and it only takes a few seconds longer for each view.
  • Is there more radiation dose?
  • This very new exam is a voluntary addition to a regular mammogram. It cannot be done by itself, but must be performed along with your regular 2D mammogram. Adding tomosynthesis increases the amount of radiation but is still well within the FDA regulated limit for mammography. If you have concerns about radiation exposure, please talk with your mammography technologist, radiologist or provider who can give you additional information.
  • Who can have a 3D mammography exam?
  • It is approved for all women who would be undergoing a standard mammogram, in both the screening and diagnostic settings. 1

Contact Us

For more information about 3D mammography or to schedule an appointment, please call (309) 661-5160.

1 Bernardi D, Ciatto S, Pellegrini M, et. al. Prospective study of breast tomosynthesis as a triage to assessment in screening. Breast Cancer Res Treat. 2012 Jan 22 [Epub ahead of print]. 2 The Hologic Selenia Dimensions clinical studies presented to the FDA as part of Hologic’s PMA submission that compared Hologic’s Selenia Dimensions combo-mode to Hologic 2D FFDM. 3 Skaane P, Gullien R, Eben EB, et. al. Reading time of FFDM and tomosynthesis in a population-based screening Program. Radio­logical Society of North America annual meeting. Chicago, Il, 2011