PMC8137291_01
FLAIR images (a-d) showing progressive diffuse signal abnormality involving the white matter of both cerebral hemispheres over 7-year period (a-c) with gradual resolving after steroid treatment (d). (a) June 2012. (b) October 2012. (c) July 2019. (d) February 2020.
CRINM2021-5517934.001.jpg
PMC8137291_01_CRINM2021-5517934.001.jpg
fig1
MRI, progressive leptomeningeal and sulcal T2/fluid-attenuated inversion recovery (FLAIR) hyperintensities parieto-occipital on both sides and temporoparietal on the left side were seen. Moreover, increasing unspecific subcortical and periventricular T2-FLAIR hyperintensities were observed (Figure 1).