术后进行模拟CT扫描，设计调强放疗计划，进行图像引导的调强放疗。
Took simulated CT scan for these patients post surgery and designed Intensity modulation radiation therapy (IMRT) and proceeded with image-guided IMRT.
调强放疗(IMRT)是一种先进的适形放射治疗方法，能提高放射治疗的治疗增益比，促进肿瘤的局部控制。
As an advanced conformal therapy, Intensity-modulated radiotherapy (IMRT) can increase the gain ratio of radiotherapy and improve the local control of the tumor.
目的：探讨调强放射治疗（IMRT）用于宫颈癌放疗后主动脉旁淋巴结转移患者提高治疗效果、减少并发症的价值。
Objective: To investigate the value of IMRT for patients with cervical cancer of retroperitoneal lymph node metastasis on improving effects and reducing complications.
断层调强光栅直接外挂在各类加速器上，装拆方便，配合治疗床的旋转及移动，实现调强放疗。
Tomotherapy MLC attached at serial accelerator directly, is easy to attach and detach, with rotating and moving of a therapy couch, it implement intensity modulated radiation therapy.
前言： 目的：通过CT模拟定位技术的临床应用研究，评价其在调强放疗计划设计中的作用。
Objective:To study the clinical application of CT-based simulation and evaluate the its value in the treatment planning of intensity-modulated radiotherapy(IMRT).
目的：验证调强放射治疗的绝对剂量误差，探索影响调强放疗绝对剂量的因素及其应对措施。
Objective: to verify the absolute dose accuracy of IMRT and explore the Main influent factors on absolute dose of intensity-modulated radiated therapy and countermeasures.
目的：分析调强放疗的偶然误差及其在临床中的应用。
OBJECTIVE: To study the random error and its clinical application in analyzing intensity modulated radiation therapy (IMRT).
目前质子治疗的分类主要有质子适形及调强放疗、质子立体放射治疗、质子扫描照射等。
Proton therapy consists of Conformal Proton Radiotherapy, Intensity-Modulated Proton therapy, Stereotactic Radiotherapy, Proton Scanning Radiation and et al.
目的探讨头部面罩固定技术在脑瘤调强适形放疗中的效果。
Conclusion Facemask immobilization technique can achieve good reproducibility and high accuracy in the CRT and IMRT for brain tumors.
目的：测定和分析三维适形及调强放疗的摆位误差，并依此计算CTV外扩PTV边界的大小。
Objective: To examine and analyze the set-up errors for patients with three dimensional conformal and Intensity Modulated Radiotherapy to calculate CTV referential safety margins of PTV.
目标函数的构建和蒙特卡罗方法卷积核的获取，是调强放疗计划系统中的关键技术。
This paper mainly concerns two critical issues of IMRT: the objective function and the convolution kernels based on Monte Carlo method.
目的：评价用MRI对鼻咽癌进行靶区勾画的准确性，调强放疗（IMRT）的早期临床结果，并观察放射急性反应。
Objective:To evaluate the exact of target region by MRI and the IMRT clinical efficacy, acute toxicities of intensity modulated radiotherapy for nasopharyngeal cancer patients.
目的：评价用MRI对鼻咽癌进行靶区勾画的准确性，调强放疗（IMRT）的早期临床结果，并观察放射急性反应。
Objective:To evaluate the exact of target region by MRI and the IMRT clinical efficacy, acute toxicities of intensity modulated radiotherapy for nasopharyngeal cancer patients.
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