近年来子宫颈癌采用高剂量率放射源作遥控后装腔内放疗逐渐增多,这种疗法具有下列优点:操作人员可完全免于接触辐射线;缩短了每次治疗的时间;治疗器可以正确放置和固定,并可拨正子宫位置,保证剂量的计划分布。但是对于高剂量率腔内放疗的疗效评价尚不一致,许多作者认为只要在剂量一分次一疗程上能摸索出一套适当的方案,高剂 In recent years, high-dose-rate radiotherapy for cervical cancer has been used as a remote control to install intracavitary radiotherapy gradually. This treatment has the following advantages: the operator can completely avoid contact with radiation; shorten the time of each treatment; the treatment device can be correct Place and fix, and place the right uterus to ensure the planned distribution of the dose. However, the evaluation of the efficacy of high-dose-rate intraluminal radiotherapy is still inconsistent. Many authors believe that as long as one set of appropriate regimens can be explored on a dose-by-dose regimen, high doses