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本文报告后装腔内放疗技术治疗鼻咽癌64例。其中放射治疗未控31例,放射治疗后鼻咽局部复发33例。使用铱源或銫源,总治疗量1800CGY～4800CGY。近期疗效CR病例59例(92.2％),SR4例(6.25％),无效1例(1.56％)。随访追踪二年以上者24例,其中生存16例(二年生存率66.7％)。因而提出鼻咽癌放疗未控或放射治愈后鼻咽癌局部复发病例是较好的适应症,另外对未治初发早期病例(T_1～T_2),建议作后装腔内放疗,颈部作外照射,这样可以减少放疗并发症,值得探讨。
This article reports posterior cavity radiotherapy for 64 cases of nasopharyngeal carcinoma. Radiotherapy did not control 31 cases, 33 cases of local recurrence of nasopharyngeal after radiotherapy. Use Wuyuan or Wuyuan, the total treatment of 1800CGY ~ 4800CGY. The current curative effect was 59 cases (92.2%), 4 cases (6.25%), and 1 case (1.56%). Follow-up tracking of more than two years in 24 cases, including 16 cases of survival (biennial survival rate of 66.7%). Therefore, it is proposed that local recurrence of nasopharyngeal carcinoma after uncontrolled radiotherapy or radiotherapy for nasopharyngeal carcinoma is a good indication. In addition, for early untreated initial cases (T_1~T_2), it is recommended to perform post-hospital intraluminal radiotherapy and neck surgery. External irradiation, this can reduce the complications of radiotherapy, it is worth exploring.