PMC5364199_01
Brain magnetic resonance imaging (MRI) and MR angiography 13 h after the first episode of transient ischemic attacks. A: Diffusion-weighted imaging (DWI) axial view showing hyperintense areas in the left internal capsule to corona radiata (arrow). B: DWI coronal view showing hyperintense areas in the left internal capsule to corona radiata (arrow). C: MR angiography showing intact cerebral arteries.
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MRI showed slightly hyperintense areas in the left internal capsule to corona radiata (Fig. 1A, B), so we diagnosed her with acute cerebral infarctions. MR angiography did not detect any apparent stenosis of major cerebral arteries, including the left middle cerebral artery (Fig. 1C).
The clinical course of the patient. The horizontal bar shows the time course (hour); the vertical bar shows the National Institute of Health Stroke Scale (NIHSS) score.
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The NIHSS score was 0 points 4 hours after the last onset of neurological deficit, although she still had slight right hemiparesis (Fig. 2).