脑室内注射吗啡技术 ,是近年来癌痛治疗的崭新技术 ,具有疗效肯定 ,用药量小 ,止痛时间久等特点 ,在国外已有较多报告[1 ] 。我院在 1 999年 4月— 5月 ,用此法治疗 5例鼻咽癌颅底侵犯所致的顽固性癌痛患者 ,取得理想效果。材料和方法一　研究对象　 5例鼻咽癌晚期男性患者 ,年 Intracerebroventricular injection of morphine is a new technique for the treatment of cancer pain in recent years. It has the characteristics of definite curative effect, small dosage, long time of pain relief and so on. It has been widely reported in foreign countries [1]. Our hospital in April 1999-May, using this method to treat 5 cases of intractable cancer pain caused by skull base invasion of patients with nasopharyngeal carcinoma, and achieved the desired results. Materials and Methods A study of 5 patients with nasopharyngeal carcinoma in late male patients, years