How is radiation myelitis distinguished from multiple sclerosis (MS)?

Updated: Oct 08, 2019
  • Author: Christopher Luzzio, MD; Chief Editor: Jasvinder Chawla, MD, MBA  more...
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Radiation myelitis generally occurs only in patients who have received doses higher than 4000 cGy. However, chemotherapy may be synergistic (ie, may lead to radiosensitization, triggering myelitis at lower radiation doses). The latency period is 1-3 years. Images may show some peripheral enhancement.

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