PMC9047037_01
(A) Axial T2 showing hyperintensity in cerebellar vermis and medial cerebellar hemispheres R > L, (B) Sagittal T2 showing hyperintensity in the midline cerebellum/vermis.
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PMC9047037_01_10.1177_2329048X221095695-fig1.jpg
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Brain MRI showed T2 hyperintensity in the cerebellar vermis and adjacent cerebellar hemispheres, R > L (Figure 1). Based on the subacute onset of symptoms, CSF, imaging, serum studies (Tables 2 and 3, Figure 1), and physical examination, she was started on 30 mg/kg/dose daily of IV methylprednisolone for the working diagnosis of autoimmune encephalitis.