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緒言
Filariaが眼球内に発見されることはまれであるが,わが国の文献では,古くから前房内あるいは硝子体中にFilariaが発見された報告が十数例ある1)〜14)。しかし,網膜下に生存せるFilariaを認めた症例はなく,外国において数例報告されているにすぎない15)17)〜19)。
われわれは網膜下に生存しているFilaria様寄生虫を発見し,寄生虫斃死後のブドウ膜炎の経過を観察し得たので報告する。
An unusual occurrence of chorioretinal lesion by subretinal filariasis is reported.
A gradually migrating scotoma in the upper visual field OD had been present for 1 month by a 41-year-old male. In the corresponding fundus area, a thread-like and yellowish-trans-lucent worm was detected and showed wrig-gling and coiling motion in the subretinal space. The worm was 13~18 ram long and 0.2~0.4 mm in diameter. It was considered to be an imma-ture filarioidea.
At the time of the first observation, the wo-rm was found in the lower nasal quadrant and migrated to the upper temporal quadrant 2 wee-ks later.
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