颅骨内板骨瘤(OIT)在影像所见怀疑为脑膜瘤时可行手术切除,病理特征为含有成熟层状骨而无软组织成分。连续的影像学观察显示其生长缓慢,多在10年以上。为确定该病的CT特征,作者观察38例(女31例,男7例)年龄45～87岁,均有临床病理报告及CT检查结果的病人,病例搜集在15年以上。其中34例疑为脑膜瘤而受检,另4例于死后检查证实。 Skull plate osteoma (OIT) in the image of suspected meningiomas feasible resection, the pathological features of mature lamellar bone with no soft tissue components. Continuous imaging showed slow growth, more than 10 years. To determine the CT features of the disease, the authors observed 38 patients (31 females, 7 males) aged 45 to 87 years, both clinical and pathological reports and CT findings of patients, the cases collected in more than 15 years. 34 cases were suspected meningioma and the other 4 cases confirmed after death check.