A myelogram is a diagnostic procedure performed by a neuroradiologist. The purpose of this test is to examine the spinal cord, spinal canal, and nerve roots by injecting a dye into the spinal canal. This procedure is commonly utilized in patients who have existing spinal implants that might affect the image produced during MRI examination. Before the Myelogram A complete medication history is reviewed with the physician and any known allergies that the patient may have to dye, contrast media, and/or "IVP contrast" must be identified prior to scheduling a myelogram. What to Expect During a Myelogram Generally, a myelogram procedure follow this process: With the patient lying prone (face down) on a table, a small needle is inserted in the lower back and into the spinal canal. Through the needle, a radiopaque dye is injected which mixes with the spinal fluid. An X-ray and/or CT Scan is then performed to study the flow of dye through the spinal region. Any partial or complete obstruction that hinders the passage of dye will be visualized on the films. After the procedure, recovery time is approximately 2-3 hours on site. Patients are required to lie down with the head elevated 30 degrees at all times (to control spread of the dye) and to force fluids for 24 hours following the myelogram (to aid in flushing the dye from the system).