Myelograms are an effective way to examine the spinal canal and spinal cord. The test is especially helpful to determine is there is a herniated disc, lesion, tumor, bone spur or nerve root problem that is causing back pain in a patient. While the procedure is traditionally performed using an injected dye into the patients back and following it with fluoroscopy, CT scan is often used to get a cross-sectional view of the spine. 

Myelograms are an effective way to examine the spinal canal and spinal cord. The test is especially helpful to determine is there is a herniated disc, lesion, tumor, bone spur or nerve root problem that is causing back pain in a patient. While the procedure is traditionally performed using an injected dye into the patients back and following it with fluoroscopy, CT scan is often used to get a cross-sectional view of the spine.