一种鼻咽癌短距离放疗新型施源器由天津医科大学附属肿瘤医院研制成功。经２５例患者共６０例次应用 ,与旧施源器比较鼻咽顶部剂量提高了１３４．６ % ,鼻咽后壁提高６０．７ % ,鼻咽侧壁提高４０ %。软腭下降了７５．１ %。临床近期疗效很好 ,被专家们认为是目前放射治疗鼻咽 A novel source device for short-range radiotherapy of nasopharyngeal carcinoma was successfully developed by the Tianjin Medical University Affiliated Tumor Hospital. After a total of 60 patients were used in 25 cases, the dose at the top of the nasopharyngeal increased by 134.6 % compared with the old applicator, the posterior wall of the nasopharyngeal increased by 60.7 %, and the nasopharyngeal wall increased by 40 %. The soft blemishes decreased by 75.1%. The clinical curative effect is very good recently and it is considered by the experts that the current radiation therapy is nasopharyngeal