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Myelography
 
What is myelography?
Myelography is a type of x-ray of the spinal cord and the spinal canal. A dye that can be seen with x-rays is injected into the space that surrounds the spinal cord and brain. This outlines the spinal cord and makes it visible.

When is it done?
Myelography tests for the following:
  • a blockage of the flow of spinal fluid
  • tumors or other lesions in the spine or spinal cord
  • ruptured disks and
  • suspected abnormalities at the base of the brain

CT scans and magnetic resonance imaging (MRI) have replaced this procedure for many uses.

How do I prepare for the procedure?
You will be instructed not to eat or drink for 8 hours before the test. Sometimes your healthcare provider will have you take a laxative or an enema so that your bowels are also empty. Follow your provider's instructions.

How is it done?
Your provider typically injects the dye at the base of the spine. You lie on a tilting table under a fluoroscope. This device takes motion x-ray images. Tilting of the table allows direction of the flow of the dye in your body.

What happens after the test?
After the test, you will be instructed to keep your head elevated and to avoid bending over. Someone will need to drive you home.

What are possible complications?
Myelography is not usually done if there is an infection in the spinal cord or surrounding membranes. Complications are rare. They include irritation of the membranes, headache, and infections.




  Disclaimer: This content is reviewed periodically and is subject to change as new health information becomes available. The information provided is intended to be informative and educational and is not a replacement for professional medical evaluation, advice, diagnosis or treatment by a healthcare professional.

  HIA File BRN3420F.HTM Release 9.0/2006. Copyright © 2006 McKesson Corporation and/or one of its subdiaries. All Rights Reserved.


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