Combination of infraoptic anterior cerebral artery with an aneurysm of the ACA-AcomA complex. Case study and literature review

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The infraoptic anterior cerebral artery (ACA) is an abnormal vessel that usually is a bifurcation of the intradural part of the internal carotid artery (ICA) or near the site of discharge of the ophthalmic artery, which passes under the ipsilateral optic nerve and penetrates between the optic nerves into the prechiasm cistern, reaching the ACA-AcomA complex. The infra-optic ACA is an extremely rare anomaly, but it may be of great clinical significance in surgery of the arteries of the anterior sections of the Willis circle. The article describes the case of a combination of infra-optical ACA with an aneurysm of the ACA-AcomA complex. This observation is of interest both from the viewpoint of the rarity of the considered pathology and the associated increased risk of the formation of intracranial aneurysms.

Keywords:

aneurysm

infra-optic anterior cerebral artery

anomalies of the anterior cerebral artery

Authors:

Kheireddin A.S.

NII neĭrokhirurgii im. akad. N.N. Burdenko RAMN, Moskva

Kaftanov A.N.

FGBU "NII neĭrokhirurgii im. akad. N.N. Burdenko" RAMN, Moskva

Sazonov I.A.

FGBU "NII neĭrokhirurgii im. akad. N.N. Burdenko" RAMN, Moskva

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