How is acute disseminated encephalomyelitis (ADEM) differentiated from multiple sclerosis?

Updated: Aug 07, 2018
  • Author: Djamil Fertikh, MD; Chief Editor: James G Smirniotopoulos, MD  more...
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This may show enhancement. The concomitant presence of brain lesions is the rule. ADEM typically runs a monophasic course; therefore, it does not have the relapsing course of MS. A history of viral infection within the previous 3-4 weeks should alert the radiologist.

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