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AJNR - American Journal of Neuroradiology

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Ophthalmic Artery Originating from Basilar Artery: A Rare Variant

Burak Sade^a, Donatella Tampieri^b and Gérard Mohr^a

^a Division of Neurosurgery, Sir Mortimer B. Davis—Jewish General Hospital, Montreal, Quebec, Canada
^b Department of Radiology, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada

View larger version (77K): [in a new window]   FIG 1. Lateral projection of the left vertebral artery injection. A, Ophthalmic artery originates from the basilar trunk just proximal to the level of the superior cerebellar artery origin and courses anteriorly during the arterial phase (arrow). The posterior communicating artery is patent (chevron). B, Ophthalmic artery enters the orbita (arrow). It is still visible during the early venous phase.