Myelogram
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Test Overview
A myelogram uses a special dye and an X-ray (fluoroscopy) to make pictures of the bones and the space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a tumor, an infection, problems with the spine such as a herniated disc, or arthritis.
The spinal canal holds the spinal cord, spinal nerve roots, and a fluid-filled space called the subarachnoid space. A dye is put into the subarachnoid space with a thin needle. The dye moves through the subarachnoid space so the nerve roots and spinal cord can be seen more clearly. Pictures may be taken before and after the dye is used. A myelogram may also be done with a CT scan.
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| Last updated: | January 10, 2006 |
|---|---|
| Author: | Jan Nissl, RN, BS |
| Reviewed By: | Paul D. Traughber, MD - Radiology, Kenneth B. Sutherland, CD, BSc, MD, FRCPC - Diagnostic Radiology |
| Editors: | Sydney Youngerman-Cole, RN, BSN, RNC, Tracy Landauer |
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