Myelograms are a diagnostic tool used before spinal surgery. A contrast medium or dye injected into the spinal canal space trickles into and around the discs and nerve roots to show up any problems under X-ray.
Myelograms are a diagnostic tool used before spinal surgery. A contrast medium or dye injected into the spinal canal space trickles into and around the discs and nerve roots to show up any problems under X-ray.