我院自1963～1972年共12年间,有825例鼻咽癌行放射治疗,至今观察均已超过5年以上。有80例在随访中失去联系,分析疗效时作“死亡”计,随访率为90.3％。一、治疗方法对鼻咽部原发灶常规采用钴~(60)照射,以双侧耳前野(6×8厘米)为主,双眶下野 In the 12 years from 1963 to 1972 in our hospital, there were 825 cases of nasopharyngeal carcinoma treated with radiotherapy, and the observations have been more than 5 years. Eighty patients lost contact during follow-up, and the “death” was calculated when the efficacy was analyzed. The follow-up rate was 90.3%. First, the treatment of the original nasopharyngeal primary lesions using cobalt ~ (60) irradiation, with bilateral ear front field (6 × 8 cm) mainly, double under the wild