Extracranial internal carotid artery (ICA) aneurysms account for <1.0% all aneurysms and a rare indication for carotid intervention. Causes include atherosclerotic degeneration, trauma, dissection, previous carotid surgery, connective tissue disorders, and infection. Authors report a case of a middle-aged male found to have a large aneurysm of the left ICA who underwent repair by resection and reconstruction with end-to-end anastomosis under neuroprotection with flow reversal. Our discussion includes a recommendation for this particular surgical repair. The patient in this case report has granted the authors consent for review of records and subsequent publication submission.
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