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原发于眶内的视神经脑膜瘤,好发于40～60年岁中年妇女,属少见疾病。1 病历简介女,57岁。左眼球轻微突出,运动受限,视力下降有数月。ＣＴ检查:平扫见左眼视神经呈纺锤形增粗,肿块密度高于视神经,形成双轨征,并可见点状钙化,眶壁骨质无异常(图1)。增强扫描见肿块明显增强,中间视
The primary optic nerve meningioma in the orbit, occur in 40 to 60 years of middle-aged women, is a rare disease. 1 medical records Female, 57 years old. Left eye slightly prominent, limited exercise, vision loss for several months. CT examination: flattened to see the left optic nerve spindle was thickened, the tumor mass higher than the optic nerve, the formation of dual-track sign, and visible punctate calcification, orbital bone was normal (Figure 1). Enhanced scan to see the mass was significantly enhanced, the middle-class