CT是诊断鼻咽癌的主要手段 ,其密度分辨率高 ,显示解剖及病变的范围清楚 ,为临床制定放疗方案及治疗后复查提供依据。日常工作以轴扫为主 ,冠扫应用不多( 1) ,易造成漏诊。笔者搜集我院 36例行轴扫及冠扫且病理证实鼻咽癌患者 ,发现轴扫结合冠扫较单纯轴扫对诊断鼻咽癌颅底及颅 CT is the main method for the diagnosis of nasopharyngeal carcinoma. Its high density resolution shows a clear range of anatomy and lesions, providing a basis for clinical radiotherapy and post-treatment review. Routine work to shaft-based scan, crown scan application is not (1), easily lead to missed diagnosis. I collected 36 cases of our hospital axial sclerosis and crown scans and pathological confirmed nasopharyngeal carcinoma patients found that the axial scan combined with axial scan compared with simple axial scan for the diagnosis of nasopharyngeal skull base and skull