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Description: Hyperacute Artery of Percheron infarction on MRI; A) Axial diffusion-weighted imaging (DWI) demonstrates subtle
symmetrical restricted diffusion involving the bilateral medial (paramedian) thalami, consistent with hyperacute artery of Percheron infarction, B) Corresponding axial FLAIR image shows no definite signal abnormality within the involved regions (DWI–FLAIR mismatch), supporting the hyperacute stage of infarction and eligibility for reperfusion therapy.
