Magnetic Resonance Imaging (MRI) of the Breast

Reference Magnetic resonance imaging (MRI) Opens New Window uses a magnetic field and pulses of radio waves to make pictures of the breast. It does not use X-rays. MRI may show problems in the breast that cannot be seen on a Reference mammogram Opens New Window, Reference ultrasound Opens New Window, or Reference CT scan Opens New Window.

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 (Reference contrast material Opens New Window) 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 Reference false-positive Opens New Window results, and it is more costly than other methods and is not available in all hospitals.

See a picture of a Reference standard MRI machine Opens New Window Reference Opens New Window.

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This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.