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American Journal of Neuroradiology, Vol 14, Issue 1 191-192, Copyright © 1993 by American Society of Neuroradiology

ARTICLES

Amaurosis fugax caused by a dural arteriovenous fistula from the ophthalmic artery

L Xiong, J Li and JR Jinkins
Neuroradiology Section, University of Texas Health Science Center, San Antonio 78284-7800.

A 52-year-old man presented with transient monocular blindness that was both spontaneous and exacerbated by exertion. Dynamic orbital CT revealed a delay in the perfusion of the left optic nerve head suggestive of a steal phenomenon. Subsequent selective arteriography demonstrated an arteriovenous fistula between the falx artery originating from the ophthalmic artery and the superior sagittal venous sinus. In the proper clinical setting, a hemodynamic steal should be considered in the differential diagnosis of amaurosis fugax.




Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X