May. 08, 2023
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Typical brain imaging findings in reversible cerebral vasoconstriction syndrome. (A) Diffusion-weighted MRI shows bilateral symmetric infarctions in the watershed distribution of the middle and posterior cerebral arteries. (B) FLAIR-MRI shows hyperintense lesions in the bilateral cortical-subcortical regions; these lesions are reversible and reflect brain edema. (C) FLAIR-MRI shows a convexity subarachnoid hemorrhage overlying the left frontal lobe. (D) Head CT scan shows a lobar hemorrhage. (Contributed by Dr. Aneesh B Singhal.)