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要約 目的:副腎皮質ステロイドのパルス療法で治療し,再発を繰り返した原田病症例の報告。症例と経過:24歳男性が2日前からの両眼の変視症で受診した。矯正視力は右0.8,左1.2で,両眼の後極部に漿液性網膜剝離があり,蛍光眼底造影所見と合わせ原田病と診断した。1日200mgのプレドニゾロンを投与したが,3日後に投与量を漸減すると直ちに漿液性網膜剝離が再発した。1日1gのメチルプレドニゾロンによるパルス療法に切り替えたが,維持量にすると再発し,これを3回繰り返した。1日200mgのシクロスポリンによる併用を開始し,3日後に網膜剝離は消失した。発症から1年後の現在まで再発はない。結論:副腎皮質ステロイドのパルス療法で再発を繰り返す原田病には,ステロイドとシクロスポリンの併用投与が奏効することがある。
Abstract. Purpose:To report a case of Harada disease that recurred after repeated pulsed corticosteroid therapy. Case and Findings:A 24-year-old male presented with metamorphopsia in both eyes since 2 days before. His corrected visual acuity was 0.8 right and 1.2 left. Both eyes showed serous retinal detachment in the posterior fundus. He was diagnosed with Harada disease. Fluorescein angiography also supported the diagnosis. He received prednisolone at the initial daily dosis of 200mg. Serous detachment promptly recurred when the dosages was reduced 3 days later. Similar recurrence occurred three times after pulsed treatment with methylprednisolone at the initial daily dosis of 1000mg. Retinal detachment finally disappeared after additionnal treatment with cyclosporine at the daily dosis of 200mg. There has been no recurrence for 1 year until present. Conclusion:Cyclosporine may be effective for refractory Harada disease when added to conventional corticosteroid therapy.
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