巨大裂孔網膜剝離の他眼所見と経過

Retinal detachment with giant tear:Findings of fellow eyes

　巨大裂孔網膜剝離14例14眼を過去5年間に経験した。その他眼の所見と，7～132か月（平均35か月）の経過を検索した。巨大裂孔は円周方向で90°以上に及ぶものと定義し，外傷性と医原性は除外した。男性13例，女性1例であり，年齢は6～54歳（平均28歳）であった。他眼に裂孔原性網膜剝離が発症したのは8例（57％），うち5例は1年以内であった。両眼性の巨大裂孔は4例にあり，アトピー性皮膚炎が1例，Marfan症候群が1例，白内障手術の既往が2例4眼，格子状変性が1例にあった。巨大裂孔でない他の4例は毛様体裂孔が3例，弁状裂孔が1例で，アトピー性皮膚炎が2例，白内障手術の既往が1例にあった。14例中他眼に網膜剝離が発症しなかった6例のうち，1例にアトピー性皮膚炎があった。以上，巨大裂孔網膜剝離では他眼にも網膜剝離が生じる頻度が57％と高いことと，鋸状縁または毛様体に裂孔が好発することが結論される。

　We observed retinal detachment with giant tear in 14 eyes of 14 patients during the past 5 years. We evaluated the fellow eyes during the follow up of 7 to 132months,average 35months. The series comprised 13males and 1 female. Their age ranged from 6 to 54 years,average 28 years. Retinal detachment with giant tear developed in the fellow eye in 8 cases（57％）. It developed within one year after the first eye in 5 cases. Bilateral giant tear occurred in 4 cases,comprising atopic dermatitis 1 case,Marfan syndrome 1 case,pseudophakia 2 cases,and lattice degeneration 1 case. In the other 4 cases with no giant tear in the fellow eye,the retinal break was located in the ciliary body in 3 cases and had horseshoe tear in 1 case. As predisposing factors,2 cases had atopic dermatitis and one had had cataract surgery in the fellow eye. Out of 6 cases that did not develop retinal detachment throughout,one had atopic dermatitis. Retinal detachment with giant tear in our series was characterized by a high incidence of retinal detachment in the fellow eye at the high incidence of 57％and by a tendency for oral or ciliary tear.