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A, Axial DW image demonstrates an infarct involving the left basal ganglia, insula, and subinsular region.
B, CBV map shows the lesion is larger than the initial DW imaging abnormality; it also involves the left frontal and parietal opercula.
C and D, CBF (C) and MTT (D) abnormalities involve most of the left middle cerebral artery distribution.
E, Follow-up (F/u) T2-weighted image 10 days later demonstrates a lesion similar in size to that of the initial CBV abnormality (B).
