1 病例介绍 患者 女,37岁。主因间断性头痛12年,于1999年5月6日住院。查体:右顶局部无隆起,叩痛(+),神经系统检查未见阳性体征。否认头部外伤史。X线头颅侧位片右顶条索状高密度影像,边界清楚,上缘与颅骨内板有明显界限(图1)。头颅CT扫描见右顶颅骨内板有一向脑实质内生长的均一高密度骨化影,CT值942Hu,强化后与平扫相同,骨窗观察骨化影与颅骨内板未见断裂改变。入院诊断为右顶骨内生性骨瘤。于5月14日在全麻下行右顶开颅骨瘤切除 1 case description Female patient, 37 years old. The main cause of intermittent headache for 12 years, in May 6, 1999 hospitalization. Physical examination: the right top of the local no uplift, percussion pain (+), neurological examination showed no positive signs. Denied the history of head injury. X-ray skull lateral right top cord-like high-density images, clear boundaries, the upper edge and the skull plate has a clear boundary (Figure 1). Skull CT scan see the right skull inner plate has been a uniform growth of the brain parenchyma homogeneous high density ossification, CT value 942Hu, enhanced with the same scan, bone window observed ossification of the skull shadow and no change in the skull fracture. Admitted to the diagnosis of the right parietal bone osteoma. On May 14, the right top craniotomy was performed under general anesthesia