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要約 目的:Uveal effusion syndrome(UES)2症例のスペクトラルドメイン光干渉断層計(SD-OCT)による所見の報告。
症例:第1例は67歳女性で,左眼黄斑部の網膜剝離で受診した。15年前に両眼に網膜剝離を伴う脈絡膜剝離が発症した。UESと診断され,右眼に2回,左眼に1回の強膜開窓術が行われ,寛解していた。眼軸長は左右眼とも約16mmであった。第2例は39歳男性で,24年前に両眼にUESが発症し,右眼に4回,左眼に5回の強膜開窓術が行われ,寛解していた。眼軸長は左右眼とも約23mmであった。
所見と経過:活動期にあると推定される第1例では,SD-OCTにより両眼に顕著な脈絡膜肥厚があり,脈絡膜内層から中層に点状高反射が多発していた。右眼には網膜外層が消失し,outer retinal tubulationがあり,左眼には脈絡膜反射が増強していた。陳旧期にあると推定される第2例では,右眼のellipsoid zoneが保たれ,脈絡膜肥厚と脈絡膜内層から中層に点状高反射が多発していた。左眼では網脈絡膜の菲薄化,網膜外層の消失,網膜色素上皮から脈絡膜の薄い高反射帯,脈絡膜反射の増強があった。
結論:UESの陳旧期には,網膜外層と網膜色素上皮の障害を示す所見があった。活動期と陳旧期にある脈絡膜の点状高反射は,高密度の脈絡膜血管に相当すると解釈された。
Abstract Purpose: To report findings of the retina and choroid in uveal effusion syndrome(UES)as observed by spectral domain optical coherence tomography(SD-OCT).
Cases: The first case was a 67-year-old female who presented with serous retinal detachment in the left macula. She had had choroidal and retinal detachment in both eyes 15 years before. Scleral fenestration surgery had been performed in multiple sessions in both eyes under the diagnosis of UES. The axial length was about 16 mm in either eye. The second case was a 39-year-old male who had developed UES 24 years before. Scleral fenestration had been performed in multiple sessions. Axial length was about 23 mm in either eye.
Findings and Clinical Course: The first case was interpreted as active stage of UES. Both eyes showed thickened choroid and numerous high-reflection dots in the inner and middle choroidal layers. The right eye showed absent outer retinal layer and outer retinal tabulation. The left eye showed increased choroidal reflection. The second case was interpreted as chronic stage of UES. The right eye showed intact ellipsoid zone, choroidal thickening, and multiple high reflective dots in the inner and middle choroidal layers. The left eye showed attenuation of retina and choroid, absence of outer retinal layers, and high reflection from the choroid.
Conclusion: SD-OCT showed impaired retinal outer layer and retinal pigment epithelium in chronic stage of UES. High reflective dots in the choroid appeared to show high-density vessels in the choroid.
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