MRIs can be harmful if you have metal inside your body, such as joint replacements. Make sure your doctor knows of any internal metal before the test. Some people may also have an reaction to the contrast dye. Talk to your doctor about any allergies you have. Tell your doctor if you have liver or kidney problems. These may make it hard 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 it is right for you.
Try to plan 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 says you need a sedative:
Arrange for a ride home.
Take it one to two hours before the exam, or as advised.
When you arrive for the test:
You will be asked about your:
Medical and surgical history
Other health problems 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 health problems in people who have kidney disease.
You will be asked if you have something in your body that would cause problems with the MRI:
Metal in your eyes or in any other part of your body (Tell your doctor if your work involves metal filings or pieces.)
Implanted port device
Metal plate, pins, screws, or 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 machine makes a loud banging noise.)
Allowed to have someone 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. They will track your pulse, heart, and breathing. The technician will be in a nearby room. You will be given directions through an intercom. A magnetic field will be produced to make three-dimensional pictures of your breast tissue. As this happens, you will hear loud banging noises.
Contrast dye may be used to make the pictures better. In this case, you will get an IV in your hand or arm. Contrast material will be given through the IV.
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