Acronym

ACA - Anterior Cerebral Artery

Anterior Cerebral Artery

Cerebral artery supplying medial brain; arises from internal carotid artery

Expansion

Anterior Cerebral Artery

Purpose

Assess for occlusion, stenosis, aneurysm (common site)

Clinical Context

Anterior cerebral artery supplies medial frontal and parietal lobes. Anterior communicating artery (anterior cerebral artery to anterior cerebral artery) common aneurysm site.

  • Middle cerebral artery
  • Posterior cerebral artery

Key Points

  • Anterior cerebral artery occlusion causes contralateral leg weakness plus cognitive changes; less common than middle cerebral artery stroke