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FIG 3. Images in a 59-year-old man who underwent an MR examination 8 hours after the onset of symptoms. An acute infarction in the right middle cerebral artery distribution was observed; this was due to thromboembolism. The FA map demonstrates increased signal intensity, whereas the echo-planar T2WI shows no hyperintensity. This is an example of how increased FA was associated with minimal T2 change. Far left, Isotropic DWI. Middle left, ADC map. Middle right, FA map. Far right, echo-planar T2WI.
