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. 2020 May 21;297(2):E270–E273. doi: 10.1148/radiol.2020201933

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2020 by the Radiological Society of North America, Inc.

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Images of acute encephalopathy in a 60-year-old-man without history of seizures who presented with convulsion. A, B, Fluid-attenuated inversion-recovery images show multifocal areas of hyperintensity in the right cerebellum (arrow in A), left anterior cingular cortex, and superior frontal gyrus (arrows in B). C–E, Diffusion-weighted images show restricted diffusion in the left anterior cingulate cortex and superior frontal gyrus (arrows in C), superior frontal and middle temporal gyrus (arrows in D), and right cerebellum (arrows in E), consistent with cerebellar diaschisis. F, MRI scan obtained with gradient-echo sequence shows no hemosiderin deposits. — Images of acute encephalopathy in a 60-year-old-man without history of seizures who presented with convulsion. A, B, Fluid-attenuated inversion-recovery images show multifocal areas of hyperintensity in the right cerebellum (arrow in A), left anterior cingular cortex, and superior frontal gyrus (arrows in B). C–E, Diffusion-weighted images show restricted diffusion in the left anterior cingulate cortex and superior frontal gyrus (arrows in C), superior frontal and middle temporal gyrus (arrows in D), and right cerebellum (arrows in E), consistent with cerebellar diaschisis. F, MRI scan obtained with gradient-echo sequence shows no hemosiderin deposits.