Saturday, February, 11, 2012

Abdominal MRI

Table of Contents

Before the test, tell your health care provider if you have:

  • Brain aneurysm clips
  • Certain types of artificial heart valves
  • Heart defibrillator or pacemaker
  • Inner ear (cochlear) implants
  • Kidney disease or dialysis (you may not be able to receive contrast)
  • Recently placed artificial joints
  • Certain types of vascular stents
  • Worked with sheet metal in the past (you may need tests to check for metal pieces in your eyes)

Because the MRI contains strong magnets, metal objects are not allowed into the room with the MRI scanner:

  • Pens, pocketknives, and eyeglasses may fly across the room.
  • Items such as jewelry, watches, credit cards, and hearing aids can be damaged.
  • Pins, hairpins, metal zippers, and similar metallic items can distort the images.
  • Removable dental work should be taken out just before the scan.

How the test will feel

An MRI exam causes no pain. If you have difficulty lying still or are very nervous, you may be given a medicine to relax you. Too much movement can blur MRI images and cause errors.

The table may be hard or cold, but you can request a blanket or pillow. The machine produces loud thumping and humming noises when turned on. You can wear ear plugs to help reduce the noise.

An intercom in the room allows you to speak to someone at any time. Some MRIs have televisions and special headphones that you can use to help the time pass.

There is no recovery time, unless you were given a medicine to relax. After an MRI scan, you can resume your normal diet, activity, and medications.


Why the test is performed

An abdominal MRI provides detailed pictures of the belly area from many different views. It is often used to clarify findings from previous x-rays or CT scans.

This test may be used to diagnose or evaluate:

  • Cancer and tumors
  • Blood flow in the abdomen
  • Blood vessels in the abdomen
  • The cause of abdominal pain or swelling
  • The cause of abnormal blood test results, such as liver or kidney problems
  • Lymph nodes in the abdomen

MRI can distinguish tumors from normal tissues and can help the doctor determine the tumor's size, severity, and spread. This is called staging.

MRI is sometimes used to avoid the dangers of angiography, repeated radiation exposure, iodine-related allergic reactions.


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Review Date: 11/21/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)