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Figures
- Fig 1.
Axial (A and B) and sagittal MIP (C) images from a CT angiogram in a patient with COVID-19 with right frontal and parietal acute-subacute infarcts. There are eccentric filling defects within the right common carotid artery bifurcation extending into the right internal carotid artery (blue arrows), with creation of a donut sign (yellow arrow). Atherosclerotic changes were not present in the remainder of the intracranial and extracranial arterial vasculature. Findings are suggestive of acute thrombus.
- Fig 2.
Axial (A and B) and coronal (C) images from a CT angiogram in a patient presenting with left MCA syndrome and a left middle cerebral artery M1 occlusion. There are eccentric filling defects within the left common carotid artery bifurcation extending into the left internal carotid artery. There are eccentric filling defects within the left common carotid artery bifurcation extending into the left internal carotid artery (blue arrows). Findings are suggestive of acute thrombus.
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