When you need more information than a mammogram or ultrasound can provide, a breast MRI offers a closer, more detailed look at your breast tissue. This advanced imaging exam helps your provider evaluate areas of concern, screen people at high risk for breast cancer and guide treatment decisions with confidence.
A breast MRI is a noninvasive imaging exam that uses powerful magnets and radio waves to create highly detailed, three-dimensional images of your breast tissue. Unlike a mammogram, which uses low-dose X-rays, a breast MRI does not use radiation.
Choosing where to receive your breast MRI matters. At OSF HealthCare, we combine advanced imaging technology with the expertise of experienced breast imaging specialists to provide clear, accurate answers.
Our innovative approach to breast imaging helps detect and evaluate breast changes so you and your care team can make informed decisions with confidence.
From scheduling through follow-up, we're committed to providing a comfortable experience and personalized care every step of the way.
Your provider may recommend a breast MRI when more detailed images are needed to evaluate your breast health. It may be recommended if you're at high risk for breast cancer, have dense breast tissue, need follow-up after a mammogram or ultrasound, are undergoing breast cancer treatment or need your breast implants evaluated.
| Imaging Type | How It Works | Best For | Radiation |
|
Mammogram |
Low-dose X-rays create 2D or 3D images |
Routine breast cancer screening |
Yes |
|
Breast ultrasound |
Sound waves create images of breast tissue |
Evaluating specific areas of concern and follow-up after a mammogram |
No |
|
Breast MRI |
Magnets and radio waves create highly detailed 3D images |
High-risk screening, evaluating abnormalities, treatment planning and breast implant evaluation |
No |
Your provider will recommend the imaging exam that's right for you. In some cases, a breast MRI is used alongside a mammogram or ultrasound to provide additional information, but it doesn't replace routine breast cancer screening.
A breast MRI is a safe, noninvasive exam that typically takes 20 to 30 minutes. Your care team will explain each step of the process and help you feel comfortable before, during and after your appointment.
Your care team will call you to provide instructions before your appointment. If you still have regular menstrual cycles, your MRI may be scheduled between days 10 and 14 of your cycle to provide the clearest images.
When you arrive, you'll change into a hospital gown and remove any jewelry, hair accessories and other metal items. Make sure to tell your provider if small spaces make you uncomfortable. They can recommend medication to help you feel more comfortable during the scan.
A technologist will place an IV so contrast dye can be given during the exam. The contrast helps create clearer, more detailed images, that help your provider get a better look at your breast tissue.
You'll lie face down on a padded table with your breasts positioned in specially designed openings. The table will slide into the MRI scanner, where detailed images of your breast tissue will be taken. The machine makes loud knocking and buzzing sounds, so hearing protection will be provided.
Your tech will ask you to remain as still as possible during the exam to make sure to get clear images. They can communicate with you throughout the scan, and you'll have a call button if you need assistance.
Once your exam is complete, you will be able to return to your normal daily activities unless your provider gives you other instructions. A radiologist will review your images and send the results to the provider who ordered your breast MRI. Your provider will discuss your results with you and explain any recommended next steps.
Talk with your primary care provider about the screening or diagnostic imaging options that best meet your needs.
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8600 Illinois Route 91
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2500 West Reynolds Street
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3333 North Seminary Street
OSF St. Mary Medical Center

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1051 West South Street
OSF Saint Luke Medical Center
Yes. Because a breast MRI is a specialized imaging exam, you'll need a referral from your primary care provider or specialist before you can schedule your appointment.
The scan itself usually takes about 20 to 30 minutes. Plan for your appointment to take a little longer to allow time for check-in, changing into a gown and having your IV placed.
A breast MRI itself is not painful, though you may feel a brief pinch when your IV is placed.
If being in an enclosed space makes you anxious, let your provider know before your appointment. They may recommend medication to help you feel more comfortable during the exam.
After your exam, a radiologist will carefully review your breast MRI and share the results with the provider who ordered your exam. Your provider will explain what your results mean and discuss any recommended next steps.
Many insurance plans cover breast MRI when it's medically necessary, but coverage varies. Before your appointment, check with your insurance provider to understand your benefits and any out-of-pocket costs.