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FIG 1. Case 1: 67-year-old man with word-finding and comprehension difficulties imaged 4 hours (top row) and 4 days (bottom row) after symptom onset. The T2-weighted (T2W), diffusion-weighted (Isotropic DWI), and Dav images were all normal at 4 hours; but at 4 days, the T2-weighted image showed an area of infarction in the left parietal region (arrows).
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