A case of radial keratoneuritis in non-Acanthamoeba keratitis

Tetsuya Mutoh, Yukihiro Matsumoto, Makoto ChikudaDepartment of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Saitama, JapanAbstract: A case of non-Acanthamoeba keratitis with radial keratoneuritis, which is thought to be pathognomonic for Acanthamoeba keratitis, is reported. A healthy...

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Autores principales:	Mutoh T, Matsumoto Y, Chikuda M
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2012
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/0c78ac02075342e08aaa5be7a847abb2
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spelling	oai:doaj.org-article:0c78ac02075342e08aaa5be7a847abb22021-12-02T01:03:38ZA case of radial keratoneuritis in non-Acanthamoeba keratitis1177-54671177-5483https://doaj.org/article/0c78ac02075342e08aaa5be7a847abb22012-09-01T00:00:00Zhttp://www.dovepress.com/a-case-of-radial-keratoneuritis-in-non-acanthamoeba-keratitis-a11064https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483Tetsuya Mutoh, Yukihiro Matsumoto, Makoto ChikudaDepartment of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Saitama, JapanAbstract: A case of non-Acanthamoeba keratitis with radial keratoneuritis, which is thought to be pathognomonic for Acanthamoeba keratitis, is reported. A healthy 32-year-old woman with a history of frequent replacement of her contact lenses due to wear was examined at Dokkyo Medical University Koshigaya Hospital (Saitama, Japan) and found to have a slight corneal opacity that was accompanied by radial keratoneuritis. Based on both the patient&rsquo;s clinical findings and past history, the presence of Acanthamoeba keratitis was highly suspected. However, direct light microscopy of corneal scrapings stained by the Parker ink&ndash;potassium hydroxide method only found Acanthamoeba-type material in the specimen collected at her initial visit. In all other specimens collected from the patient, no Acanthamoeba was found either when using the same method or when performing cultures of the surgical debridement of the corneal lesion. In addition, topical antifungal eye drops, systemic antifungal drugs, and surgical debridement were also not effective in this case. Since a precise diagnosis could not be made, the patient was treated with topical 0.1% betamethasone sodium, which ultimately resulted in a dramatic improvement of her corneal inflammation. At 23 days after initiation of topical administration of 0.1% betamethasone sodium, visual acuity was 20/250, with a slight corneal opacity noted at the original site of infection. The outcome of the current case suggests that radial keratoneuritis is not always pathognomonic for Acanthamoeba keratitis.Keywords: radial keratoneuritis, non-Acanthamoeba keratitis, topical corticosteroidMutoh TMatsumoto YChikuda MDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2012, Iss default, Pp 1535-1538 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Mutoh T Matsumoto Y Chikuda M A case of radial keratoneuritis in non-Acanthamoeba keratitis
description	Tetsuya Mutoh, Yukihiro Matsumoto, Makoto ChikudaDepartment of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Saitama, JapanAbstract: A case of non-Acanthamoeba keratitis with radial keratoneuritis, which is thought to be pathognomonic for Acanthamoeba keratitis, is reported. A healthy 32-year-old woman with a history of frequent replacement of her contact lenses due to wear was examined at Dokkyo Medical University Koshigaya Hospital (Saitama, Japan) and found to have a slight corneal opacity that was accompanied by radial keratoneuritis. Based on both the patient&rsquo;s clinical findings and past history, the presence of Acanthamoeba keratitis was highly suspected. However, direct light microscopy of corneal scrapings stained by the Parker ink&ndash;potassium hydroxide method only found Acanthamoeba-type material in the specimen collected at her initial visit. In all other specimens collected from the patient, no Acanthamoeba was found either when using the same method or when performing cultures of the surgical debridement of the corneal lesion. In addition, topical antifungal eye drops, systemic antifungal drugs, and surgical debridement were also not effective in this case. Since a precise diagnosis could not be made, the patient was treated with topical 0.1% betamethasone sodium, which ultimately resulted in a dramatic improvement of her corneal inflammation. At 23 days after initiation of topical administration of 0.1% betamethasone sodium, visual acuity was 20/250, with a slight corneal opacity noted at the original site of infection. The outcome of the current case suggests that radial keratoneuritis is not always pathognomonic for Acanthamoeba keratitis.Keywords: radial keratoneuritis, non-Acanthamoeba keratitis, topical corticosteroid
format	article
author	Mutoh T Matsumoto Y Chikuda M
author_facet	Mutoh T Matsumoto Y Chikuda M
author_sort	Mutoh T
title	A case of radial keratoneuritis in non-Acanthamoeba keratitis
title_short	A case of radial keratoneuritis in non-Acanthamoeba keratitis
title_full	A case of radial keratoneuritis in non-Acanthamoeba keratitis
title_fullStr	A case of radial keratoneuritis in non-Acanthamoeba keratitis
title_full_unstemmed	A case of radial keratoneuritis in non-Acanthamoeba keratitis
title_sort	case of radial keratoneuritis in non-acanthamoeba keratitis
publisher	Dove Medical Press
publishDate	2012
url	https://doaj.org/article/0c78ac02075342e08aaa5be7a847abb2
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A case of radial keratoneuritis in non-Acanthamoeba keratitis

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