Surgical and Radiologic Anatomy

, Volume 40, Issue 6, pp 721–725 | Cite as

Bilateral carotid–anterior cerebral artery anastomoses associated with bilateral ophthalmic arteries arising from the anastomotic arteries diagnosed by magnetic resonance angiography: a case report

  • Akira Uchino
  • Naoko Saito
  • Norio Tanahashi
Anatomic Variations


Rarely, the anterior cerebral artery (ACA) arises from the ophthalmic segment of the internal carotid artery, a condition described as carotid–ACA anastomosis or infraoptic course of the ACA that generally demonstrates right-sided predominance. We diagnosed a case of bilateral anastomoses of the carotid and ACA vessels in which bilateral ophthalmic arteries arose from the origins of the anastomotic vessels using magnetic resonance (MR) angiography. Identification of rare arterial variations on MR angiography requires careful scrutiny of source images, and creation of partial volume-rendering images can aid visualization of detailed anatomic structures.


Anterior cerebral artery Cerebral arterial variation Internal carotid artery Magnetic resonance angiography Ophthalmic artery 



We thank Rosalyn Uhrig, M.A., for editorial assistance in the preparation of this manuscript.

Compliance with ethical standards

Conflict of interest

We declare that we have no conflict of interest.


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© Springer-Verlag France SAS, part of Springer Nature 2017

Authors and Affiliations

  1. 1.Department of Diagnostic RadiologySaitama Medical University International Medical CenterHidakaJapan
  2. 2.Department of Neurology and Cerebrovascular MedicineSaitama Medical University International Medical CenterHidakaJapan

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