Methods: MRI findings in 23 patients with malignant meningioma were analyzed retrospectively,and 34 cases of benign meningiomas in the same period were randomly selected as control.

• 方法:回顾性分析23例恶性脑膜瘤的MRI征象,并随机抽取同期34例良性脑膜瘤作为对照。