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目的:高齢者に発症した原田病の報告。症例と経過:84歳女性が数週前からの両眼の視力低下で受診した。7年前に白内障手術を両眼に受けている。矯正視力は左右とも0.04であった。両眼に角膜後面沈着物と前房の炎症所見があり,眼底には乳頭の発赤浮腫があったが,漿液性網膜剝離はなかった。髄液に細胞増多があり,HLA検査でDR4,DQ4,B54が陽性であった。これらから原田病と診断し,副腎皮質ステロイド点眼で加療した。前眼部の炎症は軽症化したがやや遷延した。乳頭の所見は改善し,眼底は夕焼け状になった。発症から6か月後の矯正視力は右0.3,左0.4になった。以後9か月後の現在まで再発はない。結論:原田病が84歳で発症した例は,文献では初めてである。本症例は原田病としてはやや軽症かつ病状が非典型的であった。
Purpose:To report Harada disease in an octogenarian. Case and Findings:A 84-year-old female presented with blurring of vision in both eyes. She had received cataract surery in both eyes 7 years before. Her corrected visual acuity was 0.04 in either eye. Both eyes showed keratic precipitates with cells and increased flare in the aqueous. Funduscopy showed hyperemia and swelling of optic disc. Serous retinal detachment was absent. Pleocytosis was present in the cerebrospinal fluid. Human leukocyte antigen(HLA)showed positive for DR4,DQ4 and B54. These findings led to the diagnosis of Harada disease. She was treated by topical corticosteroid. Signs of anterior chamber gradually improved. The optic disc became normal in appearance,associated with sunset-glow fundus. Her corrected visual acuity improved to 0.3 right and 0.4 left 6months after onset. Conclusion:All the reported cases of Harada disease were aged below 84 years. The present case was characterized by mild and atypical clinical features.
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