Ocular histopathology in Eastern equine encephalitis: A case report

Purpose: To describe the ophthalmic symptoms and histopathological findings in a human case of Eastern equine encephalitis (EEE). Observations: The patient was a septuagenarian male whose presentation and clinical course were thought to be most consistent with viral meningoencephalitis. ELISA sugges...

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Main Authors: Eleonora M. Lad, Sally S. Ong, Alan D. Proia
Format: Article
Language:English
Published: Elsevier 2017-04-01
Series:American Journal of Ophthalmology Case Reports
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2451993616301487
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author Eleonora M. Lad
Sally S. Ong
Alan D. Proia
author_facet Eleonora M. Lad
Sally S. Ong
Alan D. Proia
author_sort Eleonora M. Lad
collection DOAJ
description Purpose: To describe the ophthalmic symptoms and histopathological findings in a human case of Eastern equine encephalitis (EEE). Observations: The patient was a septuagenarian male whose presentation and clinical course were thought to be most consistent with viral meningoencephalitis. ELISA suggested recent infection with EEE virus. Microscopic analysis of the brain demonstrated perivascular lymphohistiocytic cuffing which was consistent with viral type encephalitis. Similarly, both eyes manifested a lymphohistiocytic infiltrate in the retina and optic nerve and a reduced number of ganglion cells. Conclusions and importance: To our knowledge, this is the first report of ophthalmological and ocular pathology observations in an EEE patient. Interestingly, the inflammatory findings in the retina are reminiscent of the central nervous system effects of EEE virus. These findings are relevant given the recent epidemic of microcephaly and ophthalmic complications secondary to another arboviral virus, the Zika virus.
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spelling doaj.art-1394131a7b904b558e5822d5e4d4d6932022-12-21T19:14:50ZengElsevierAmerican Journal of Ophthalmology Case Reports2451-99362017-04-015C9910210.1016/j.ajoc.2016.12.021Ocular histopathology in Eastern equine encephalitis: A case reportEleonora M. Lad0Sally S. Ong1Alan D. Proia2Department of Ophthalmology, Duke University Medical Center, DUMC 3802, Durham, NC 27710, United StatesDepartment of Ophthalmology, Duke University Medical Center, DUMC 3802, Durham, NC 27710, United StatesDepartment of Ophthalmology, Duke University Medical Center, DUMC 3802, Durham, NC 27710, United StatesPurpose: To describe the ophthalmic symptoms and histopathological findings in a human case of Eastern equine encephalitis (EEE). Observations: The patient was a septuagenarian male whose presentation and clinical course were thought to be most consistent with viral meningoencephalitis. ELISA suggested recent infection with EEE virus. Microscopic analysis of the brain demonstrated perivascular lymphohistiocytic cuffing which was consistent with viral type encephalitis. Similarly, both eyes manifested a lymphohistiocytic infiltrate in the retina and optic nerve and a reduced number of ganglion cells. Conclusions and importance: To our knowledge, this is the first report of ophthalmological and ocular pathology observations in an EEE patient. Interestingly, the inflammatory findings in the retina are reminiscent of the central nervous system effects of EEE virus. These findings are relevant given the recent epidemic of microcephaly and ophthalmic complications secondary to another arboviral virus, the Zika virus.http://www.sciencedirect.com/science/article/pii/S2451993616301487Eastern equine encephalitis, EEEPathologyArbovirusEye
spellingShingle Eleonora M. Lad
Sally S. Ong
Alan D. Proia
Ocular histopathology in Eastern equine encephalitis: A case report
American Journal of Ophthalmology Case Reports
Eastern equine encephalitis, EEE
Pathology
Arbovirus
Eye
title Ocular histopathology in Eastern equine encephalitis: A case report
title_full Ocular histopathology in Eastern equine encephalitis: A case report
title_fullStr Ocular histopathology in Eastern equine encephalitis: A case report
title_full_unstemmed Ocular histopathology in Eastern equine encephalitis: A case report
title_short Ocular histopathology in Eastern equine encephalitis: A case report
title_sort ocular histopathology in eastern equine encephalitis a case report
topic Eastern equine encephalitis, EEE
Pathology
Arbovirus
Eye
url http://www.sciencedirect.com/science/article/pii/S2451993616301487
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AT sallysong ocularhistopathologyineasternequineencephalitisacasereport
AT alandproia ocularhistopathologyineasternequineencephalitisacasereport