Separation Effect and Development of Implantation Technique of Hydrogel Spacer for Prostate Cancers

The purpose of this study is to improve the placement of a hydrogel spacer in patients with prostate cancer receiving radiation therapy.A total of 160 patients with prostate cancer were classified into 3 groups: No spacer (group 1; n = 30), spacer placed using conventional technique (group 2; n = 100), and spacer placed using new technique (group 3; n = 30). When placing the spacer, the tip of the needle is placed at the middle of the prostate...