非典型脑膜瘤的ＣＴ诊断吕顽，罗荣琨，吕访贤典型脑膜瘤具有广基与颅骨或硬膜相连、等或略高密度的肿块、明显均一强化的特征［１，２］。多数术前确诊不困难，而不典型的表现多样，极易导致误诊。本文总结经手术病理证实的非典型表现脑膜瘤１２例，报告如下。资料与结果... CT diagnosis of atypical meningioma Lu Wan, Luo Rongkun, Lv Youxian typical meningioma with skull or dura mater associated with, or slightly higher density of mass, significantly uniform enhanced features [1,2]. Most preoperative diagnosis is not difficult, but atypical performance can easily lead to misdiagnosis. This article summarizes the surgical pathology confirmed atypical meningioma in 12 cases, the report is as follows. Data and results ...