Scattered depressions with temporal preponderance in visual field test coexisting with optic disc temporal atrophy in cerebral arteriovenous malformation
Gokcen Gokce,1 Nisa Cem Oren,2 Osman Melih Ceylan,3 Tarkan Mumcuoglu,3 Volkan Hurmeric3
1Sarikamis Military Hospital, Department of Ophthalmology, 2Department of Radiology, Kars, 3Gulhane Military Medical Academy, Department of Ophthalmology, Ankara, Turkey
Abstract: In this article, the unusual association of optic disc temporal atrophy associated with scattered depressions with temporal preponderance in visual field test resembling incomplete bitemporal hemianopsia is reported. A 22-year-old man with cerebral arteriovenous malformation (AVM), which was located adjacent to the inferomedial portion of the posterior limb of the right internal capsule at the level of lateral ventricle, revealed interesting and unexpected ophthalmological findings. Possible mechanisms including anatomical variant, previously larger AVM, and retrograde optic neuropathy were mentioned. This case also highlighted that the usual complaint of visual disturbance might associate with unusual visual field defect in cerebral AVMs.
Keywords: arteriovenous malformation, bitemporal hemianopsia, optic chiasm, optic nerve, vascular steal
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