About 2 hours. Most myelograms are performed in a radiology facility by a radiologist trained in interventional procedures. The procedure may involve a tilting radiology table, in order to investigate the flow of the injected dye. This procedure often includes a post-myelogram ct scan, allowing the radiologist to obtain information similar to that of a MRI scan.
About 10 minutes. The procedure takes about ten minutes. Check out spine-health.Com.
45 minutes. If including a ct scan which usually follows the actual myleogram which by itself is less than 30 minutes.