The recurrent artery (Heubner artery) arises variably from the A1 or A2 segment of the Anterior cerebral artery (ACA).
Anatomy
Course
The recurrent artery arises from the A1 or A2 segment of the anterior cerebral artery, then turns back away from the ACA and courses over the bifurcation of the Internal carotid artery (ICA) and Middle cerebral artery (MCA) into the medial portion of the Sylvian fissure before entering the Anterior perforated substance. In some cases, the recurrent artery forms an anterior loop toward the Gyrus rectus and the inferior surface of the Frontal lobe[^1].
Supply
The recurrent artery supplies the Head of the caudate nucleus and the anterior portion of the Internal capsule.
Figure
Clinical relevance
Occlusion of the Heubner artery can lead to contralateral Hemiparesis.