Before the implantation,all patientsaccepted CT examination. Then we made the plan through TPS,prescription dose was 60Gy-80Gy,the average number of seeds was 25 (0.7mci perseed).

• 用治疗计划系统(TPS)制订植入计划；处方剂量60Gy-80Gy；平均25颗~(125)I 粒子；活度0.；7mci/粒。