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by Krisha McCoy, MS
This is an imaging test that uses a special contrast material to view the spinal cord. The contrast material used in the x-ray can help your doctor clearly outline the space containing the spinal cord and nerves.
Reasons for Procedure TOP
This is used to detect problems in and around the spinal cord, such as:
Possible Complications TOP
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:
What to Expect TOP
Prior to Procedure
Your doctor may do the following:
Leading up to your procedure:
There is usually no anesthesia with this procedure. Your doctor may give you a mild sedative. You may have local anesthetic to reduce the pain of the needle.
Description of the Procedure TOP
You will lie on your side or face down. Or, you may sit on the edge of a table, leaning forward. You may be given a local anesthetic injection in your back.
Your doctor will insert a needle into the space between your vertebrae. A small amount of fluid will be removed from the spinal canal. Next, the contrast will be injected through the needle. Your doctor will use an imaging procedure called fluoroscopy. This combines an x-ray unit with a camera and a screen.
To take the images, you will be positioned stomach-down on the table. A brace will be against your shoulders. The table will be tipped forward. Next, the doctor will take images of your back. You will hold your breath while the images are taken. You may be asked to turn slightly to one side and then the other.
Often, your doctor will perform a CT scan after myelography. This is to see the spread of the contrast dye.
Immediately After Procedure TOP
You may be asked to stay in the exam room while the doctor looks at the images. You will be able to go home after about an hour.
How Long Will It Take? TOP
About 30-60 minutes (CT scan will take 30-60 minutes longer)
How Much Will It Hurt? TOP
You will have some pressure or pain when the needle is inserted.
Post-procedure Care TOP
Call Your Doctor TOP
It is important to monitor your recovery. Alert your doctor to any problems. If any of the following occur, call your doctor:
If you think you have an emergency, call for medical help right away.
North American Spine Society
Ortho Info—American Academy of Orthopaedic Surgeons
Canadian Orthopaedic Association
Canadian Orthopaedic Foundation
Lumbar disc herniation. EBSCO DynaMed website. Available at: Available at:
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Updated November 26, 2014. Accessed December 18, 2014.
Myelography. Radiological Society of North America Radiology Info website. Available at:
...(Click grey area to select URL)
Updated June 14, 2013. Accessed December 18, 2014.
Last reviewed November 2015 by Warren A. Bodine, DO, CAQSM
Last Updated: 12/20/2014
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