PMC9799706_01
A and B Magnetic resonance imaging T2-weighted image shows hyperintensities in left temporal lobe, insula and left thalamus. C and D Diffusion restriction with normal apparent diffusion coefficient. Black arrow shows "insular ribboning"
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Fig1
MRI brain revealed T2-hyperintense lesions in gyral distribution of left temporo-parietal regions and left thalamus with temporal cortical and insular ribboning with diffusion restriction with normal apparent diffusion coefficient (Fig. 1).
Positron emission tomography (PET) with 18fluorodeoxyglucose shows hypometabolism in left temporal lobe and adjacent parietal and occipital lobes on 18fluorodeoxyglucose positron emission tomography (FDG PET)
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Fig2
PET showed severe hypometabolism in left temporal, parieto-occipital and basifrontal regions (Fig. 2).
PMC9799706_02