PMC9996085_01
MRI images and clinical course. (A.a) FLAIR image of the brain obtained 2 days before the vaccination. (A.b) FLAIR image of the brain on day 0 show extensive development of high intensity lesions predominantly at the white matter. (A.c) FLAIR image of the brain on day 24 reveals the amelioration of high intensity lesions observed at the acute phase of the disease. (B) The closed squares and open circles represent CSF cell count and protein concentration of each timepoint respectively.
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MRI images of the head revealed a high-signal area in the subcortical white matter in the fluid-attenuated inversion recovery scan ( Figure 1A ), and CSF examination showed an elevated cell count of 32 cells/muL ( Figure 1B ). On day 17 spinal fluid findings were normalized, and the lesion had markedly resolved on head MRI imaging ( Figures 1A, B ).