Spinal cord, brain and optical imaging follow-up of the patient. June 2012: Spinal cord magnetic resonance imaging (MRI) showing extensive hyper intense T2 lesion between C5 and T10 (A) with gadolinium enhancement on T1 sequence (B). Brain MRI showing multiple hyperintense T2 lesions on insular regions, medial temporal lobes and thalamus (C), but also gadolinium enhancement of ventricles and meninges (D). Peripapillary optical coherence tomography showing asymmetric retinal nerve fiber layer (E). July 2012: Control brain MRI showing extension of hyperT2 lesion load (F).