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  • Title: Reversible diffusion-weighted lesion in a TIA patient without arterial recanalization: a case report.
    Author: Terasawa Y, Iguchi Y, Kimura K, Kobayashi K, Aoki J, Shibazaki K.
    Journal: J Neurol Sci; 2008 Sep 15; 272(1-2):183-5. PubMed ID: 18558409.
    Abstract:
    A 70-year-old man with right hemiparesis (NIHSS score 15) was admitted to our hospital 1 h after onset. Diffusion-weighted imaging (DWI) revealed a hyperintense lesion in the left corona radiata and magnetic resonance angiography (MRA) revealed occlusion of the left middle cerebral artery (MCA). At 2.5 h after onset, his neurological deficits dramatically improved (with NIHSS score change from 15 to 2). Immediately thereafter, follow-up MRI revealed that the hyperintense lesion on DWI had disappeared, though the left MCA occlusion remained. By the end of follow-up MRI examination, his neurological deficits had completely disappeared. We report here the patient with transient ischemic attack with a reversible ischemic lesion on DWI without early arterial recanalization.
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