Supernumerary fronto-orbital arteries arising from contralateral anterior cerebral artery associated with partially duplicated anterior communicating artery - case study and literature review

Vol. 57 No. 3, 2016

ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY

Alin Horatiu Nedelcu, Razvan Tudor Tepordei, Anca Sava, Cristinel Ionel Stan, Anda Maria Aignatoaei, Traian Taranu, Manuela Ursaru

The anatomical variations of the fronto-orbital artery are uncommon and rarely described in literature. During the dissection of a 64-year-old female formalized brain, we discovered a particular congenital abnormality regarding the arterial supply of the right fronto-orbital gyrus. We identified three arterial sources: a low caliber ipsilateral fronto-orbital artery that arises from the A2 segment of the right anterior cerebral artery and ends in the posterior part of the fronto-orbital gyrus, a large aberrant contralateral fronto-orbital artery that arises from the A2 segment of the left anterior cerebral artery, supplying most of the right fronto-orbital gyrus and a small accessory branch of the left anterior cerebral artery passing towards the contralateral fronto-orbital gyrus. These abnormalities are associated with a partially duplicated anterior communicating artery. This case shows a unique pattern of congenital brain vascular abnormalities that may have clinical and surgical implications.

Corresponding author: Anca Sava, Professor, MD, PhD; e-mail: dr.anca.sava.68@gmail.com

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