蝶筛窦囊肿临床并不少见 ,但引起视力障碍者少见。因窦腔内有一定容积 ,囊肿早期在腔内生长一般无明显症状 ;当出现头痛或视力障碍时 ,若不进行影像学检查常被误诊。为提高对本病的认识和诊治水平 ,现将我科 1986年 7月～ 1992年 7月经手术治疗的 12例伴有视神经障碍的蝶筛窦囊 Butterfly ethmoid cyst clinical is not uncommon, but cause visual impairment are rare. Due to a certain volume of the sinus cavity, the cyst early in the cavity growth is generally no obvious symptoms; when headache or visual impairment, without imaging studies are often misdiagnosed. In order to improve the understanding of the disease and the level of diagnosis and treatment, now our department from July 1986 to July 1992 after surgery in 12 cases with optic nerve disorders of the butterfly ethmoid sinus sac