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Magnetic Resonance Imaging (MRI) of the Breast
About this test
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 a mammogram, ultrasound, or CT scan.
The MRI makes 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 most cases, a dye (contrast material) may be used so that abnormalities can be seen more clearly from normal breast tissue. The contrast material makes it easier to find problems with increased or abnormal blood flow, such as with some types of cancer or 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 .
| By: | Healthwise Staff | Last Revised: May 28, 2010 |
| Medical Review: | Kathleen Romito, MD - Family Medicine Howard Schaff, MD - Diagnostic Radiology | |
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