Myelography
Myelography
Myelography (pronounced: my-uh-LOG-ruh-fee) is a type of radiographic examination that uses a contrast medium to detect pathology of the spinal cord, including the location of a spinal cord injury, cysts, and tumors. This procedure is typically performed by a radiologist.
Etymology
The term "myelography" comes from the Greek words "myelos" (meaning marrow or spinal cord) and "graphien" (meaning to write or record).
Procedure
During a myelography, a radiopaque contrast medium is injected into the spinal canal's subarachnoid space. Following this injection, the patient's bed is tilted in various directions to distribute the contrast medium and improve the images. The procedure is usually followed by a computed tomography (CT) scan to further enhance the diagnostic images.
Indications
Myelography is used to find diseases or abnormalities in the spinal cord, nerve roots, and meninges. It is particularly useful for assessing diseases that cause pain and numbness in the back, arms, and legs. It can also be used to assess the need for surgery on the spinal cord.
Risks
Like any medical procedure, myelography carries some risks. These may include allergic reactions to the contrast medium, infection, bleeding, or nerve damage. Patients may also experience headaches, nausea, or vomiting after the procedure.
Related Terms
External links
- Medical encyclopedia article on Myelography
- Wikipedia's article - Myelography
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