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同一術者が行った翼状片初回手術後の再発率を検討した。対象は,3か月以上経過が追えた124眼と,同じ方法での術直後にマイトマイシンC (MMC)を局所投与した20眼である。再発率は124眼中25眼20%であり,男性で有意に高く,50歳以上では有意に低かった。再発までの平均期間は術後4か月であり,再発例の90%が術後5か月以内であった。翼状片が角膜の鼻耳両側から侵入している場合には再発率が高かった。MMC投与群での再発は皆無であり,MMCの再発抑制効果が顕著であった。
We reviewed the rate of recurrence after initial surgery for pterygium performed by one surgeon. The cases included 124 eyes which could be followed up for 3 months or longer. Another series of 20 eyes were operated by the same method with additional topical application of mitomycin C. Recurrence occurred in 25 of 124 eyes, 20%. Rate of recurrence was significantly high in males and low in patients aged 50 years or more. Recurrence developed after an average of 4 months after surgery. It developed within 5 months in 90% of the 25 eyes. There was no recurrence in the 20 eyes treated by topical mitomycin C.
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