case_images: PMC9195504_01
case_images: 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.
case_images: fneur-13-913515-g0001.jpg
case_images: PMC9195504_01_fneur-13-913515-g0001.jpg
case_images: F1
case_images: 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).