摘要
调强放射治疗应用于早期鼻咽癌,在提高肿瘤控制的同时,降低了正常组织并发症,提高了患者的生活质量。随着电子计算机X线体层显像、磁共振成像、正电子发射计算机体层扫描技术融合的应用以及对靶区勾画、照射野设置、调强给量方式等认识的加深,调强放射治疗有了进一步的发展。但在调强放射治疗的靶区勾画、放射物理、放射生物学方面还存在许多问题,值得进一步研究。
Intensity modulated radiation therapy（IMRT） can protect normal tissues, elevate tumor controt rate ,thereby improve the quality of life when applied to early-stage nasopharyngeal carcinoma patients. Accompanied by the adoption of computer tomography, magnetic resonance imaging and positron emission tomography fusion and deepening understanding of targets delineation, radiation fields arrangement and design of fraction strategies,it has further development. But in several aspects,such as targets delineation,radiophysics, radiobielogy it also has many problems that deserves study furthermore.
出处
《医学综述》
2008年第19期2929-2933,共5页
Medical Recapitulate
关键词
鼻咽肿瘤
放射疗法
调强放射治疗
Nasopharyngeal neoplasms
Radiation therapy
Intensity modulated radiation therapy
