Magnetic Resonance Imaging (MRI) Of The Breast: Test Overview
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Test Overview
Magnetic resonance imaging (MRI) uses a magnetic field and pulses of radio waves to make pictures of the breast. MRI may show problems in the breast that cannot be seen on an X-ray, ultrasound, or CT scan.
The MRI records pictures that show your breast's normal structure; tissue damage or disease, such as infection; inflammation; or a lump. MRI is better than mammography or ultrasound for looking at some breast lumps.
In some cases, a dye (contrast material) may be used so that abnormalities in the breast tissue can be seen more clearly. The dye makes it easier to find problems with blood flow, find some types of cancer, and find areas of inflammation.
MRI is a safe and valuable test for looking at the breast, but it has a high rate of false-positive results, and it is more costly than other methods and is not available in all hospitals.
See pictures of a standard MRI machine 
and an open MRI machine .
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| Last updated: | April 12, 2006 |
|---|---|
| Author: | Jan Nissl, RN, BS |
| Reviewed By: | Paul D. Traughber, MD - Radiology, Kenneth B. Sutherland, CD, BSc, MD, FRCPC - Diagnostic Radiology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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