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Sectoral Sparing Associated With a Cilioretinal Artery in Arteritic Anterior Ischemic Optic Neuropathy. | LitMetric

Sectoral Sparing Associated With a Cilioretinal Artery in Arteritic Anterior Ischemic Optic Neuropathy.

J Neuroophthalmol

Department of Ophthalmology (EDG), Boston Children's Hospital, Boston, Massachusetts; Harvard Medical School (EDG, JFR), Boston, Massachusetts; Department of Ophthalmology (EDG, JFR), Massachusetts Eye and Ear Infirmary, Boston, Massachusetts; Picower Institute for Learning and Memory (EDG), Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts; Departments of Ophthalmology and Neurology (NR), University of California San Francisco, San Francisco, California.

Published: June 2022

AI Article Synopsis

Article Abstract

Giant cell arteritis (GCA) is a life-threatening vasculitis occurring in older adults that can cause blindness by ischemia of the choroid, retina, and optic nerve. We report a case of a patient who presented with "occult" GCA with severe anterior ischemic optic neuropathy affecting both optic nerves, delayed choroidal filling, and a concomitant cilioretinal artery occlusion in the left eye. The retinal territory supplied by the affected cilioretinal artery was hypoperfused, yet this retinal territory at least partially corresponded to the only preserved visual field in that eye. The sector of the optic disc corresponding to the emergence of the cilioretinal artery was the only sector spared by pallid edema. This pattern of sectoral sparing associated with a cilioretinal artery has been observed in other patients with GCA and in animal models of posterior ciliary artery occlusion. This case serves as a clear example of an incompletely understood phenomenon in posterior pole circulation in vascular occlusive disease that deserves further study.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10311077PMC
http://dx.doi.org/10.1097/WNO.0000000000001418DOI Listing

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