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要約 目的:眼底に白点と脈絡膜新生血管が併発した再発性急性網膜色素上皮炎の症例の報告。症例:18歳女性が2週間前からの右眼視力低下と光視症で受診した。所見:矯正視力は右0.6,左1.2で,両眼の黄斑部に多数の暗灰色病巣と,これを黄白色の輪が囲んでいた。2週間後に視力は回復した。4年後に右眼視力が0.4に低下した。黄斑病変は初診時と同様であったが,中間周辺部に白斑が多発していた。急性網膜色素上皮炎と診断した。2か月後に白斑は消失し視力は0.6に回復した。4か月後に右眼視力が0.09になり,黄斑の下耳側に脈絡膜新生血管を伴う漿液性網膜剝離があった。ベバシズマブの硝子体注入を3回行い,再発から10か月後に視力は0.4に改善した。結論:急性網膜色素上皮炎の予後は概して良好であるが,脈絡膜新生血管の併発に注意する必要がある。
Abstract. Purpose:To report a case of acute retinal pigment epitheliitis(ARPE)associated with white spots in the fundus and choroidal neovascularization(CNV). Case:A 18-year-old woman presented with photopsia and impaired visual acuity in her right eye since 2 weeks before. Findings:Corrected visual acuity was 0.6 right and 1.2 left. Both eyes showed dark-gray spots in the macula surrounded by yellowish white halo. Visual acuity recovered 2 weeks later. Right visual acuity decreased to 0.4 four years later. Macular lesion remained unchanged but numerous white dots were present in the midperipheral fundus. She was diagnosed with ARPE. Spontaneous recovery set in 2 months later. Another 4 months later,right visual acuity decreased to 0.09. Serous retinal detachment with CNV was present adjacent to the macula. Three sessions of vitreal injection of bevacizumab was followed by improved visual acuity to 0.4 ten months later. Conclusion:While ARPE has a favorable prognosis in general,this case illustrates that CNV may develop after recurrences of ARPE.
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