Myelography or Myelogram is used to make a diagnosis of spinal canal and spinal cord disorders like nerve compression that in turn causes pain and weakness. A special dye is introduced into the spinal sac that in turn shows up in the x-ray to signify any deformities. The dye acts as an exclusive agent to outline the nerve roots and the spinal cord thus helping the doctor determine if there are any abnormal shapes in the spinal cord. Before CT scans and MRI scans were introduced, it was myelography that was used to study any abnormalities in the spinal cord. Current medical world uses myelography only for complicated revision spine surgeries and for patients who have metal plates or screws in their spine. Myelography is primarily used to identify slipped disk by exactly locating the disk or disks concerned. Spinal arthritis can develop bone spurs that may press against the nerves and cause pain, myelography can help identify if surgery is required and can also help spot if the spinal canal is narrowed. Tumors can be accurately located. A patient preparing for myelogram must stop a solid diet for a day and drink plenty of clear fluids.
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Collection of Pages - Last revised Date: November 11, 2019