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食管癌三维适形与调强适形放疗的剂量学对比分析 被引量:12

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摘要 放射治疗是食管癌的主要治疗手段,常规技术的放射治疗5a生存率约在10%.由于食管癌病灶一般呈偏心性、不规则生长,常规放疗采用x线模拟定位机透视技术,不能充分显示肿瘤情况,且照射野比较大、形状极不规则,又与脊髓关系密切,怎样提高靶区剂量减少正常组织受量是我们急需要解决的问题.现代放射治疗技术已从常规放疗发展到三维适形放射治疗、调强放射治疗再到图像引导放射治疗,不但提高了放疗的准确性,
出处 《昆明医科大学学报》 CAS 2014年第7期148-150,共3页 Journal of Kunming Medical University
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参考文献7

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