应用ＣＴ扫描的方法对１０例侵及颅底的颌面深区肿瘤患者进行了检查，可清楚地显示肿瘤的部位、范围，以及与周围组织的关系。切除到安全界，没有伤及重要的血管和神经。认为，ＣＴ扫描在颌面深区肿瘤的定位、定性诊断、确定手术治疗适应证、选择手术进路及手术安全性方面具有重要的指导作用。 CT scan of 10 cases of patients with maxillofacial invasion of the skull base tumors were examined to clearly show the location of the tumor, extent, and the relationship with the surrounding tissue. Excised to the safety world, did not hurt the important blood vessels and nerves. It is believed that CT scan plays an important guiding role in the localization of the maxillofacial region tumor, the qualitative diagnosis, the indication of surgical treatment, the choice of surgical approach and the safety of surgery.