摘要
半束照射是伴随着新一代加速器的问世而应用于临床的一种新的放疗技术,它能减少正常组织的受照剂量,防止照射野相交处出现剂量热点和冷点。自1991年以来,作者将这一技术用于乳腺癌、直肠癌、肺癌、头颈部肿瘤等多种肿瘤的放射治疗,并形成了一整套的技术规范。
Half-beam irradiation is a new radiotherapy technipue following birth of the new type of accelerator.It can reduce radiation dose of the normal tissues near or out the fields,and prevent over or low dose at the juncture of the fields.From 1991,the author began to use this technique to radiate several kinds of cancers such as breast cancer, lung cancer,rectal cancer,head and neck cancer and so on,and a complete set of technological standard has been formed.
关键词
半束照射
放射疗法
独立准直器
肿瘤
Half-Beam Irradiation Radiotherapy Independent Collimator