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要約 目的:脈絡膜腫瘍に類似する脈絡膜結節を呈したサルコイドーシス2症例の報告。症例:1例は31歳,男性で,4年前に両眼のぶどう膜炎と続発緑内障,内科でサルコイドーシスと診断された。脈絡膜腫瘍の疑いで紹介受診した。他の1例は60歳,女性で,8年前からぶどう膜炎として加療中であった。脈絡膜腫瘍の疑いで紹介され受診した。所見:1例の右眼眼底に1.5乳頭径大の黄白色隆起塊,他の1例の右眼眼底に5乳頭径大の黄白色隆起塊があった。病変部はフルオレセイン蛍光眼底造影で過蛍光,インドシアニングリーン蛍光造影で分葉状低蛍光を呈し,enhanced depth imaging光干渉断層計(EDI-OCT)で結節状の低反射領域が脈絡膜にあった。脈絡膜サルコイドーシス結節と診断し,トリアムシノロンのテノン囊下注射で腫瘤は縮小した。結論:サルコイドーシスでは脈絡膜腫瘍に類似する結節が生じることがあり,診断にはEDI-OCTが有用であった。
Abstract. Purpose:To report two cases of sardcoidosis manifesting nodules simulating choroidal tumor. Cases:One was a 31-year-old male. He had been diagnosed with bilateral uveitis, secondary glaucoma, and sarcoidosis 4 years before. He was referred to us for suspected choroidal tumor. Another was a 60-year-old female. She had been treated for uveitis since 8 years before. She was referred to us for suspected choroidal tumor. Findings:One case showed a white tumor of 1.5 disc diameters(DD)in the right fundus. The other showed white tumor of 5 DD in the right fundus. Fluorescein angiography showed hyperfluorescence. ICG angiography showed hypofluorescence in lobular pattern. Enhanced depth imaging OCT showed areas of low reflection in the choroid, suggesting choroidal sarcoid nodules. Subtenon injection of triamcinolone was followed by reduction in the size of choroidal tumors. Conclusion:These cases illustrate that nodules simulating choroidal tumors may develop in sarcoidosis and that enhanced depth imaging OCT may be useful in the diagnosis.
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