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目的与方法通过３例脑膜瘤的诊治体会结合资料复习，探讨恶性脑膜瘤与良性脑膜瘤相比较的临床特点及预防复发的措施。结果与结论恶性脑膜瘤与良性脑膜瘤比较，其临床特点及影像学特征是男性多见，发病年龄低，病程短；神经系统损害多，瘤周轻到中度水肿，少钙化及恶变。形态不规则，增强明显但不均匀：彻底手术切除肿瘤及术后结合放、化疗是预防复发的基本措施：年龄是另一个影响预后的因素。认识恶性脑膜瘤的特点，术前作出正确诊断以指导手术，对提高疗效有重要的临床指导意义：以手术为主的综合治疗是本病的最佳治疗方案。
Objective and Methods The clinical features and prevention of recurrence of malignant meningioma compared with benign meningioma were explored through the diagnosis and treatment of 3 cases of meningioma. RESULTS AND CONCLUSION: Compared with benign meningiomas, the clinical features and imaging features of malignant meningiomas are more common in men, with lower age of onset and shorter duration of disease. Nervous system damage is more than mild to moderate edema, with less calcification and malignant transformation. Irregular shape, obvious but non-uniform enhancement: complete surgical removal of tumor and postoperative combination, chemotherapy is the basic measure to prevent recurrence: age is another factor affecting the prognosis. Understanding of the characteristics of malignant meningioma, preoperative diagnosis correctly to guide the operation, to improve the efficacy of an important clinical significance: the main surgical treatment is the best treatment for the disease.