...临床，如立体定向放射治疗（stereotactic radiosurgery，SRS）［15］ 和调强放射治疗（intensity modulated radiation therapy，IMRT）［17］ 。其特点是病损部位接受的放射剂量较高，而病损周围如脊髓等正常组织接受的放射治疗剂量较低。
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... 射治疗 （three-dimensional radia- tion therapy，3D-CRT）和调强放射治疗（intensity-mod- ulated radiation therapy，IMRT）， 而对于固定源皮距照 射（source-surface distance，SSD），则更适于应用延..
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目的将CT模拟应用适形调强放射治疗，在临床应用中探索与之相关的一系列更简便和更好的方法，为以后的调强放射治疗提供指南。
CT simulator was applied to intensity modulated radiated radiation therapy (IMRT) and a series of convenient and better methods were explored in the clinic application to guide the IMRT afterwards.
在适形和逆向调强放射治疗中，机械碰撞问题是一个治疗计划的物理可实现性的基本问题。
In a conformal and inverse modulate intensity radiation planning (IMRT), mechanical collision is a key problem, which determines whether the therapy planning can be really executed or not.
目的观察鼻咽癌调强适形放射治疗（IMRT）联合化疗的耐受性和近期临床疗效。
Objective To study tolerate of radiation therapy with combined chemotherapy, clinical efficacy of intensity modulated radiation therapy (IMRT) for first-treated late nasopharyngeal carcinoma.
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