多因素分析：肿瘤形状、肿瘤部位、组织学类型、手术切除程度、CT增强形态是影响脑膜瘤复发的主要因素，有显著性差异。
With multivariate analysis, pathological grade, extent of resection, tumor location, tumor shape and CT enhancement showed significant danger to recurrence of meningiomas.
目的：分析影像学特征和临床因素对脑膜瘤复发的影响。
Objective: to analyze the radiological and clinical factors that affect the recurrence of the meningioma.
结论：矢状窦封闭型中后段矢旁脑膜瘤，术中切除矢状窦不会加重病人的神经功能障碍，可有效地减少肿瘤的复发。
Conclusion: the resection of the mid-posterior sagittal sinus blocked by parasagittal meningioma would not aggravate the neurologic defect but could reduce the recurrence of meningioma.
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