脑膜瘤分为颅内脑膜瘤和异位脑膜瘤,较常见的为颅内肿瘤,临床上表现多样,由于肿瘤膨胀性生长,患者往往出现头痛、癫痫的症状,根据肿瘤的部位不同,可能会出现一侧或两侧视力下降的现象,严重者可导致失明,如有些患者还会伴有头痛,都可考虑是脑膜瘤的病发。鞍区肿瘤没有明显的症状和体征,在早期不易发现,患者常出现压迫视交叉、视力改变等表现出眼科症状,而患者常常直接就诊于眼科,造成误诊。而对于脑膜瘤的确诊,主要依靠影像学检查。现将鞍区脑膜瘤误诊为视神经病变1例报告如下。1临床资料患者,女,已婚,年龄60岁。由于发现右眼视力下降,看东西模糊,以“右眼视力下降1周”主诉收住院。2012年 Meningioma is divided into intracranial meningioma and ectopic meningioma, the more common intracranial tumors, clinical manifestations of diverse, due to the expansion of tumor growth, patients often have headache, epilepsy, according to the different parts of the tumor may be Occurred on one or both sides of the phenomenon of decreased vision, severe cases can lead to blindness, such as some patients may also be accompanied by headache, can be considered meningioma disease. There are no obvious symptoms and signs of sellar tumors in the early is not easy to find patients often appear oppression cross, visual acuity and other symptoms showed ophthalmology, and patients are often directly treated in ophthalmology, resulting in misdiagnosis. For the diagnosis of meningioma, mainly rely on imaging examination. Now the meningioma of the septal misdiagnosed as optic neuropathy in 1 case report below. 1 clinical data, female, married, aged 60 years. Due to the discovery of decreased visual acuity in the right eye, to see things fuzzy, with “right eyesight decreased 1 week ” the main complaint admitted to hospital. 2012