PMC5836297_01
MRI brain without contrast (DWI:diffusion-weighted image) showing acute ischemic infarct in left temporoparietal lobe in the distribution of left MCA.
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MCA, approximately 9 cm in the area of left temporoparietal lobe (Figure 1). MR angiogram (MRA) showed total occlusion of M1 segment of left MCA (Figure 2).
MRA brain showing total occlusion of M1 segment of left MCA (red arrow) and normal circle of Willis.
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MCA, approximately 9 cm in the area of left temporoparietal lobe (Figure 1). MR angiogram (MRA) showed total occlusion of M1 segment of left MCA (Figure 2).
CTA neck showing a short segment of partially recanalized vessel (*) between M1 and M2 segments of left MCA.
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Computed tomography angiogram (CTA) neck showed a short segment of partially recanalized vessel between M1 and M2 segments of left MCA (Figure 3).
CTA neck showing carotid web in the left internal carotid artery (arrows).
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Also CTA neck revealed a short segment of linear filling defect in proximal left ICA, most consistent with a carotid web (Figure 4).