Conventional MRI and MR Angiography of Stroke

6.1 Conventional MRI and Stroke Strokes have a characteristic appearance on conven-tional MRI that varies with infarct age.Temporal evo-lution of strokes is typically categorized into hypera-cute (0–6 h),acute (6–24 h),subacute (24 h to approx-imately 2 weeks),and chronic stroke (>2 weeks old). 6.1.1 Hyperacute Infarct ................
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