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目的:分析体外照射加腔内后装治疗原发性阴道癌的疗效。方法:全部采用体外照射加腔内放疗,外照射采用~(60)CO-r线,腔内照射采用HY-HDR18通道高剂量率后装机。结果:所有病例均随访3～5年以上,20例病人Ⅱ、Ⅲ、Ⅳ期的3年生存率分别为71.6%,55.8%,0%,5年生存率分别为57.6%,46.8%,0%。轻度放射性直肠炎4例,轻度放射性膀胱炎3例,重度直肠炎1例。结论:高剂量率后装安全方便,配合体外照射疗效可靠,如果注意保护,可维持患者正常功能。
Objective: To analyze the curative effect of extracorporeal irradiation and intracameral posterior treatment of primary vaginal cancer. Methods: All external beam radiotherapy and intracavitary radiotherapy were used. The external radiotherapy was performed with ~ (60) CO-r line, and the intracavitary irradiation was performed with HY-HDR18 channel high dose rate. Results: All cases were followed up for more than 3 to 5 years. The 3-year survival rates of stage Ⅱ, Ⅲ and Ⅳ in 20 patients were 71.6%, 55.8% and 0% respectively. The 5-year survival rates were 57.6% and 46.8% respectively %. 4 cases of mild radiation proctitis, 3 cases of mild radiation cystitis and 1 case of severe proctitis. Conclusion: High-dose rate of post-loaded safe and convenient, with reliable efficacy of external irradiation, if you pay attention to protection, to maintain normal function in patients.