Fig. 1From: Increased multiple sclerosis disease activity in patients transitioned from fingolimod to dimethyl fumarate: a case seriesMRI of brain: a. Axial FLAIR b. Axial Post-Gadolinium. Patient had a severe MS relapse after fingolimod discontinuation for 12 weeks and on treatment with DMF for 4 days. MRI of brain showed multiple enhancing lesions with a nodular and ring enhancement pattern in the brainstem, posterior fossa, and cerebral hemispheres bilaterally (Case 2)Back to article page