Abstract
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.
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Chakraborty S, Fanning NF, Lee SK, Terbrugge KG (2006) Bilateral infraoptic origin of anterior cerebral arteries: a rare anomaly and its embryological and clinical significance. Interv Neuroradiol 12:155–159
Given CA 2nd, Morris PP (2002) Recognition and importance of an infraoptic anterior cerebral artery: case report. AJNR Am J Neuroradiol 23:452–454
Ji C, Ahn JG (2010) Infraoptic course of both anterior cerebral arteries. J Korean Neurosurg Soc 47:71–73
Kiliç K, Orakodöğen M, Bakirci A, Berkman Z (2005) Bilateral internal carotid to anterior cerebral artery anastomosis with anterior communicating artery aneurysm: technical case report. Neurosurgery 57(4 Suppl):E400
Kim MS, Sim SY (2016) Infraoptic anterior cerebral artery: case series report and literature review. Surg Radiol Anat 38:887–891
Lasjaunias P, Berenstein A, ter Brugge KG (2001) The anterior cerebral artery. In: Lasjaunias P, Berenstein A, ter Brugge KG (eds) Surgical neuro-angiography, vol 1. Clinical vascular anatomy and variations, Second edn. Springer, Berlin, pp 578–613
McLaughlin N, Bojanowski MW (2007) Infraoptic course of anterior cerebral arteries associated with abnormal gyral segmentation. Case report. J Neurosurg 107:430–434
Mercier P, Velut S, Fournier D, Lescalie F, Guy G, Pillet J, Cronier P (1989) A rare embryologic variation: carotid-anterior cerebral artery anastomosis or infraoptic course of the anterior cerebral artery. Surg Radiol Anat 11:73–77
Okano N, Uchino A, Saito N, Maruyama H (2015) Left carotid-anterior cerebral artery anastomosis diagnosed by MR angiography: a case report. Surg Radiol Anat 37:311–313
Robinson LR (1959) An unusual human anterior cerebral artery. J Anat 93:131–133
Uchino A, Saito N, Ikeda S, Ishihara S (2015) Ophthalmic artery arising from the anterior cerebral artery diagnosed by MR angiography. Surg Radiol Anat 37:1009–1012
Uchino A, Saito N, Okada Y, Inoue K (2012) Carotid-anterior cerebral artery anastomosis on MR angiography: a university hospital-based study. Neuroradiology 54:13–18
Uchino A, Saito N, Yamane F (2017) Bilateral carotid-anterior cerebral artery anastomoses associated with bilateral ophthalmic arteries arising from the middle meningeal arteries diagnosed by magnetic resonance angiography: a case report. Surg Radiol Anat. 39:1289–1292. https://doi.org/10.1007/s00276-017-1864-5
Wong ST, Yuen SC, Fok KF, Yam KY, Fong D (2008) Infraoptic anterior cerebral artery: review, report of two cases and an anatomical classification. Acta Neurochir (Wien) 150:1087–1096
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We thank Rosalyn Uhrig, M.A., for editorial assistance in the preparation of this manuscript.
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Uchino, A., Saito, N. & Tanahashi, N. Bilateral carotid–anterior cerebral artery anastomoses associated with bilateral ophthalmic arteries arising from the anastomotic arteries diagnosed by magnetic resonance angiography: a case report. Surg Radiol Anat 40, 721–725 (2018). https://doi.org/10.1007/s00276-017-1953-5
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DOI: https://doi.org/10.1007/s00276-017-1953-5