PMC7298550_01
A. FLAIR axial section showing the diffuse involvement of the corpus callosum (red arrowhead), the corona radiata (red star), left subcortical cortical white matter and middle cerebellar peduncles with predominant involvement on the left (white arrowhead) associated with a hypersignal of the anterior part of the medullary bulb (red circle).B. Axial T1 SE GADO showing nodular contrast enhancement of the corpus callosum (white star). C. Diffusion b 1000 with adc mapping showing bilateral and symmetrical capsulo-lenticular hypersignal and unrestricted corpus callosplenum splenium on adc mapping (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.).
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Hyperintense signal on T2 fluid attenuated inversion recovery sequence (FLAIR) on the supra-tentorial level (Fig. 1).
A- T2 TSE sagittal section showing diffuse myelitis lesions in hypersignal T2 TSE (white star).B. T1 TSE sagittal section after injection of gadolinium showing multifocal centromedullary and posterior cervical and dorsal stage contrast enhancement (white arrowhead).C. FFE axial 3D T1-weighted image after injection showing an increase in contrast enhancement of the corpus callosum and subcortical right parietal white matter (red star) (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.).
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A repeated cerebro-medullary MRI was performed and found an increase number of contrasts enhancing lesions at the level of the brain and spinal cord (Fig. 2).