PMC7874810_01
Head CT scan at admission (A), at the second day after endovascular treatment (B); DSA image of left internal carotid artery and the vascular branches before endovascular treatment (C) and after endovascular treatment (D); Brain DWI image after endovascular treatment (E, F).
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The head computed tomography (CT) at admission revealed no hemorrhage, and slight encephalomalacia in the left parietal and temporal lobe, as well as in the right occipital lobe (Figure 1A). The angiography confirmed a distal occlusion of the M1 segment of left middle cerebral artery and a reduced blood flow in the A4 segment of left anterior cerebral artery (Figure 1C). After 10 minutes, the restoration of blood flow was observed in left middle and anterior cerebral artery (Figure 1D). A CT scan the next day indicated no intracranial hemorrhage (Figure 1B). Further diffusion weighted imaging (DWI) showed a new infarction change in left frontal, parietal, temporal and occipital lobes (Figure 1E, F).