PMC9195504_01
Brain magnetic resonance imaging showing FLAIR hyperintense lesions (A-C) and T1 contrast-enhancement (D-F) in the periventricular white matter (A,D), right cerebellar peduncle (B,E) and medulla oblongata/upper cervical spinal cord (C,F). FLAIR, Fluid attenuated inversion recovery.
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F1
Rapid clinical deterioration with the development of severe left-sided hemiparesis (MRC 2/5), hemiataxia, and major difficulties to walk was accompanied by new periventricular and progressive infratentorial and upper cervical spinal cord contrast-enhancing lesions on follow-up MRI (Figure 1).