作为一种颇具特点的近距离治疗技术,放射性粒子组织间永久性植入治疗肿瘤已经有半个多世纪的历史。近年来随着新的人工放射性核素的出现,植入技术设备、影像引导、剂量学和生物学等方面的发展和临床经验的积累,粒子植入 As a characteristic brachytherapy technique, the permanent implantation of radioactive particle tissue for the treatment of tumors has more than half a century of history. In recent years, with the emergence of new artificial radionuclides, the development of implant technology and equipment, imaging guidance, dosimetry and biology, and the accumulation of clinical experience, particle implantation