The patient was followed with periodic MRI scans during the next three years. All the exams during this period have shown lesions stability. The patient has was on Gilenya (sphingosine 1-phosphate (s1P) receptor modulator).
On a routine follow-up MRI scan, performed 5 years from the first exam shown above, a haemorrhagic mass was observed in the left frontal lobe. The cerebellar lesion and remaining features were stable. The patient did not show any new symptoms.