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Unilateral carotid lesions can cause bihemispheric infarctions through cross-flow in the anterior communicating artery. On DWI, small bihemispheric, disseminated lesions strongly suggest an artery-to-artery embolism. In such cases, aortic and carotid lesions should be assessed as potential embolic sources. |
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anterior communicating artery
aorta,atherosclerosis
carotid artery disease
cerebral embolism,cardiac origin
cerebral embolism,carotid origin
cerebral embolism,multiple
cerebrovascular accident
cerebrovascular accident,bilateral
cerebrovascular accident,multiple
cerebrovascular accident,vascular territory involved
embolism,artery to artery
MRI
MRI,abnormal
MRI,diffusion weighted
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