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要約 目的:非典型的な経過をとった急性後部多発性斑状色素上皮症(APMPPE)の1症例の報告。症例:46歳女性が2週間前からの両眼の霧視と頭痛で受診した。所見:矯正視力は左右眼とも1.2で,両眼に虹彩後癒着と前房に炎症所見があった。8日後に両眼の後極部に黄白色斑状病巣が多発し,左眼視力は0.6になった。フルオレセイン蛍光眼底造影で,斑状病巣は早期には低蛍光,後期には過蛍光を呈した。1か月後に斑状病巣は特発的に寛解し,左眼視力は1.2に回復した。夕焼け状眼底は生じなかった。初診から1か月後に頭部の脱毛が生じ,その6か月後に寛解した。1年後の現在まで経過は良好である。結論:本症例はAPMPPEと診断したが,虹彩炎,頭痛,脱毛などは原田病でのそれに類似し,両疾患の中間的な位置にある可能性がある。
Abstract. Purpose:To report a case simulating acute posterior multifocal placoid pigment epitheliopathy(APMPPE). Case:A 46-year-old female presented with blurring in both eyes and headache since 2 weeks before. Findings:Corrected visual acuity was 1.2 in either eye. Both eyes showed posterior synechia and signs of inflammation in the aqueous. Multiple yellow-white patches appeared in the posterior fundus in both eyes 8 days later. Left visual acuity decreased to 0.6. Fluorescein angiography showed hypofluorescence in the early phase and hyperfluorescence in the late phase. The patches in the fundus disappeared one month later with left visual acuity recovering to 1.2. Sunset-glow fundus was absent throughout. Alopecia occurred one month after onset and persisted for 6 months. She has been doing well for one year until present. Conclusion:This case was initially diagnosed with APMPPE. The iritis, headache and alopecia simulated Vogt-Koyanagi-Harada disease. There is a possibility that this case lies in the interim between the two diseases.
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