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MRIs can be harmful if you have metal inside your body such as joint replacements or pacemaker. Make sure your doctor knows of any internal metal before the test. Some may also have an allergic reaction to the contrast dye. Talk to your doctor about any allergies you have or if you have liver or kidney problems. These may make it difficult for your body to get rid of the contrast.
If you are pregnant or think you may be pregnant, talk to your doctor before the MRI scan about whether an MRI scan is right for you.
Try to schedule the test between days 5 and 15 of your menstrual cycle. This is a time when the breast tissue is less dense.
If your doctor prescribes a sedative:
Arrange for a ride home.
Take the sedative 1-2 hours before the exam, or as directed.
Once at the MRI center:
You will be asked about the following:
Medical and surgical history
Other conditions that you may have—If your MRI involves contrast material, your doctor will ask about the health of your kidneys. There is a risk of complications in people who have kidney disease and receive contrast material.
You will be asked if you have something in your body that would interfere with or make it so you cannot have an MRI, such as:
Metal fragments in your eyes or in any other part of your body (Tell your doctor if your work involves metal filings or particles.)
Implanted port device
Metal plate, pins, screws, or surgical staples
Metal clips from aneurysm repair
Any other large metal objects in your body (Tooth fillings and braces are usually fine.)
You will remove any metal objects (such as jewelry, hearing aids, glasses).
may be taken to see if there are any metal objects in your body.
You may be:
Given earplugs or headphones to wear (The MRI machine makes a loud banging noise.)
Allowed to have a family member or friend with you during the test
Description of the Test
You will lie face down on your stomach on a moveable bed. The bed will slide into a large, cylindrical magnet. Your breasts will hang into cushioned openings. You may be hooked up to monitors. These monitors will track your pulse, heart rate, and breathing. The technician will be in another room and give you directions via an intercom. A magnetic field will be produced to generate three-dimensional images of your breast tissue. As this happens, you will hear loud banging noises.
The MRI may require contrast dye to make the pictures better. In this case, you will receive an IV in your hand or arm. Contrast material will be injected through the IV.
You will need to wait until the images are examined. In some cases, the technician may need to take more images.
If you took a sedative, do not drive, operate machinery, or make important decisions until the sedative wears off completely.
If you are
and receive a contrast dye, you and your doctor should discuss when you should start breastfeeding again. Information available has not found any ill effects to a baby if a mother has had contrast dye.
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What is breast MRI? University of California at San Francisco website. Available at: ...(Click grey area to select URL) Accessed June 6, 2007.
9/10/2010 DynaMed's Systematic Literature Surveillance ...(Click grey area to select URL) US Food and Drug Administration. New warnings required on use of gadolinium-based contrast agents. US Food and Drug Administration website. Available at: http://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm225286.htm. Updated September 9, 2010. Accessed September 10, 2010.
5/17/2014 DynaMed's Systematic Literature Surveillance ...(Click grey area to select URL) Patenaude Y, Pugash D, et al. The use of magnetic resonance imaging in the obstetric patient. J Obstet Gynaecol Can. 2014 Apr;36(4):349-355. Available at: http://sogc.org/wp-content/uploads/2014/04/gui306PPG1404E.pdf.
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