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Radiotherapy is the abbreviation of radiation therapy, which is one of the main methods for treating tumors. It uses radiation to kill cancer cells and shrink or disappear tumors to treat tumors. Radiation destroys the cells in the irradiated area (target area), so that these cells stop dividing until they die. The purpose of radiotherapy is to do its best to kill tumor cells while protecting normal tissues.
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临床检查解诊断->确定治疗目的->确定放射源->制作病人固定装置与身体轮/模拟机下拍片或CT模拟->确定靶区体积.确定肿瘤体积及剂量.确定危险器官及剂量.....
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放疗为放射治疗的简称,是治疗肿瘤主要手段之一,它利用放射线杀死癌细胞使肿瘤缩小或消失来治疗肿瘤。放射线破坏照射区(靶区)的细胞,使这些细胞停止分裂直至死亡。放疗的目的是尽最大的努力杀死肿瘤细胞,同时保护正常组织。郑
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