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放射治疗是恶性肿瘤的有效治疗方法之一,但传统外放射治疗存在许多弊端。随着放射性粒子的研制成功,特别是125I放射性粒子(简称125I粒子)内放射治疗的推广应用,其对肿瘤治疗的效果越来越受到人们的关注[1-3]。现将125I放射性粒子组织置入治疗恶性肿瘤的基础理论及近年来的研究进展介绍如下。
Radiation therapy is one of the effective treatment of malignant tumors, but there are many drawbacks of traditional external radiotherapy. With the successful development of radioactive particles, especially the promotion and application of radiotherapy in 125I radioactive particles (referred to as 125I particles), its effect on tumor treatment has drawn more and more attention [1-3]. 125I radioactive particle tissue into the treatment of malignant tumors now the basic theory and research progress in recent years are described below.