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混合适形调强技术应用于脑转移瘤放疗的剂量学研究 被引量:2

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摘要 脑转移瘤病例在接受放射治疗时,一般要求全脑靶区(PTV)进行预防性照射,同时转移的肿瘤区域(GTV)需要达到更高剂量水平。以往传统的适形治疗方法是设计两程计划,首先进行全脑的水平对穿照射,一般经过10次左右,单次剂量为3Gy的治疗,使PTV先达到处方剂量要求,
出处 《中华放射医学与防护杂志》 CAS CSCD 北大核心 2014年第12期921-923,共3页 Chinese Journal of Radiological Medicine and Protection
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