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Middle and Anterior Cerebral Artery - Acute Infarction

A 56 year old man with a history of atrial fibrillation developed the abrupt onset of a global aphasia and right hemiplegia.

Show Anterior Cerebral ArteryTerritory             Show Middle Cerebral Artery Territory

Axial CT scans. Note the subacute ischemic infarction in the distribution of the left middle cerebral and anterior cerebral arteries. This type of infarction occurs when the clot is located at the top of the carotid artery, and there is no collateral flow from contralateral side through the anterior communicating artery.

Revised 05/24/06.
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