What are treatments of an ependymoma of the spinal cord?

Depends on exact. Location. Some could be intramedullary others extramedullary. Depends on how much mass effect it's exerting, and symptoms. See your neurosurgoen to better review your mris, rule out other issues with the rest of your neural axis. By checking MRI of your brain, cervical, thoracic, lumbar spine with and without contrast, and then deciding on treatment, surgery may be needed...