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Ipsilateral motor or sensory symptoms associated with carotid occlusive disease are rare.We report a 52-year-old man who presented with aphasia, right hemiparesis,mild left leg weakness,and bilateral Babinski's signs. During the previous 10 days,he had experienced three episodes of left leg numbness and incoordination that occurred either alone or in association with right arm and leg weakness.Computed tomography showed infarcts in the right frontoparietal(parasagittal),left frontal,and left parietal lobes. Cerebral angiography revealed 60%stenosis of the right internal carotid artery,80%stenosis of the left internal carotid artery,absence of the A1 segment of the right anterior cerebral artery,filling of the right anterior cerebral artery from the left carotid circulation only,and a normal vertebrobasilar system.This report illustrates that leg weakness may occur ipsilateral to carotid disease if the contralateral anterior cerebral artery is supplied by the ipsilateral carotid artery. |
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