A discography is a diagnostic procedure in which a fluoroscopically-guided x-ray dye is injected into a suspect spinal disc and an x-ray (discogram) is taken.  The injection pressure may reproduce the pain and visually demonstrate the pathology, such as a tear in the lining of the disc.
The results of discography can be used to predict success with IDET (IntraDiscal ElectroThermal Therapy) or Nucleoplasty.

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