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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.
This is used to detect problems in and around the spinal cord such as:
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:
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 will have local anesthetic to reduce the pain of the needle.
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.
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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.
About 30-60 minutes (CT scan will take 30-60 minutes longer)
You will feel some pressure or pain when the needle is inserted.
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 emergency medical services right away.
Know Your Back—North American Spine Society
Ortho Info—American Academy of Orthopaedic Surgeons
Canadian Orthopaedic Association
When it Hurts to Move—Canadian Orthopaedic Foundation
Lumbar disk herniation. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T116077/Lumbar-disk-herniation. Updated September 6, 2017. Accessed December 18, 2017.
Lumbar spinal stenosis. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T114133/Lumbar-spinal-stenosis. Updated July 31, 2017. Accessed December 18, 2017.
Myelogram. Johns Hopkins Medicine website. Available at: https://www.hopkinsmedicine.org/healthlibrary/test_procedures/orthopaedic/myelogram_92,P07670. Accessed December 18, 2017.
Myelography. Radiology Info—Radiological Society of North America website. Available at: https://www.radiologyinfo.org/en/info.cfm?pg=myelography&bhcp=1. Updated January 23, 2017. Accessed December 18, 2017
Last reviewed November 2018 by EBSCO Medical Review Board Michael Woods, MD, FAAP Last Updated: 12/20/2014