Carotid Stump Syndrome

Diagnosis:

  • Ongoing ischemic events in the territory supplied by the internal carotid artery despite occlusion of the internal carotid artery
  • Must be differentiated from intracranial atherosclerotic disease (ICAD), small vessel disease and other competing stroke mechanisms

Pathophysiology:

  • Emboli travel to the ipsilateral brain or retina in the distribution of the affected internal carotid artery via collaateral pathways from the ipsilateral external carotid artery. External carotid artery stenosis can be a responsible cause

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