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KMID : 0360220130540101614
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Journal of the Korean Ophthalmological Society
2013 Volume.54 No. 10 p.1614 ~ p.1620
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A Case of Bilateral Acute Macular Neuroretinopathy after URI
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Lee Seung-Hee
Bae Jin-Seong
Kim Yun-Young
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Abstract
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Purpose: To report a case of bilateral acute macular neuroretinopathy (AMN) following flu-like illness.
Case summary: A 42-year-old woman complained of paracentral scotoma in both eyes 2 weeks after an episode of flu. Fundus examination showed several dark, brown-reddish, wedge- shaped lesions in both maculae, and red-free fundus photography confirmed the lesions. Fluorescein and indocyanine green angiography was normal. Amsler grid test demonstrated paracentral scotoma. The multifocal electroretinogram (ERG) response was subnormal, and ocular coherence tomography (OCT) confirmed an impaired photoreceptor layer in both eyes. Under the diagnosis of AMN, the patient was followed- up without treatment. No subjective changes were observed during follow-up, although the damage to the photoreceptor was partially recovered based on spectral-domain OCT (SD-OCT).
Conclusions: Multifocal ERG and SD-OCT may be helpful to diagnose AMN. Despite partial recovery of clinical signs on SD-OCT, paracentral scotoma could be sustained for a long period of time.
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KEYWORD
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Acute macular neuroretinopathy, Multifocal electroretinography, Spectral-domain optical coherence tomography
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