Conclusion There exists some extent of setup error in nasopharyngeal carcinoma IMRT.
结论鼻咽癌imrt具有一定程度的摆位误差。
Meanwhile, use 2 dimensional ionization chamber array for relative dose verification of IMRT.
另一方面利用二维电离室矩阵对治疗计划进行相对剂量验证。
Conclusion: In order to ensure the quality of IMRT plan, dosimetric verification is necessary.
结论：为了保证调强适形放射治疗的治疗质量，必需进行剂量学验证。
Quality assurance for intensity-modulated radiation therapy(IMRT)is an important issue to study.
调强适形放射治疗的质量保证是一个重要的研究课题。
The LSD to normal tissues of patients receiving IMRT was about 1.5 times that of 3D-CRT patients.
IMRT病人射野外正常组织所受散射线和漏射线剂量约为3D-CRT病人的1.5倍。
The advantage of IMRT is to protect organs at risk and to create enough dose in the target volume.
它的优点是更好的保护紧要器官，使靶区达到足够的剂量。
Objective To study and develop treatment planning system of intensity modulated radiotherapy(IMRT).
目的研制开发调强放射治疗逆向计划系统。
Objective: To compare dosimetry of 3D-CRT and IMRT plan for para-aortic lymph node tumor metastasis.
目的：比较腹主动脉旁淋巴结肿瘤转移的3D-CRT和IMRT放射治疗计划的剂量学差异。
Objective: To evaluate Clinical verification of inverse intensity modulated radiation therapy (IMRT).
目的：探讨逆向计划调强放射治疗IMRT临床治疗前的验证方法。
The optimal decomposition of the intensity modulated mapping matrix for IMRT is studied in this paper.
研究肿瘤放射治疗的调强映射矩阵的最优分解问题。
Objective To study the role of KV-X CBCT on the geometricl accuracy of IMRT of nasopharyngeal carcinoma.
目的探讨KV-X线CBCT在鼻咽癌调强放射治疗位置精度保证中的应用。
Conclusion the dosimetric verification of IMRT is a reliable measure in the course of its implementation.
结论IMRT计划剂量学验证是临床实施IMRT治疗过程中的可靠保证。
Method: CMS radiation therapy planning system was used to provide optimized IMRT treatment plans for carcinoma.
方法：用CM S放射治疗计划系统设计调强适形放射治疗计划。
OBJECTIVE: To study the random error and its clinical application in analyzing intensity modulated radiation therapy (IMRT).
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 method for dose calculation and beam weight optimization of intensity-modulated radiation therapy (IMRT).
目的研究调强放射治疗(IMRT)剂量计算与射野权重优化方法。
Objective: This work was to analyze the set-up errors in image guided IMRT for tumors using the cone-beam computed tomography (CBCT).
目的探讨锥形束CT用于调强放疗分次间摆位误差测量。
Conclusion Facemask immobilization technique can achieve good reproducibility and high accuracy in the CRT and IMRT for brain tumors.
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。
This paper mainly concerns two critical issues of IMRT: the objective function and the convolution kernels based on Monte Carlo method.
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。
In this paper, the TPS for IMRT is analyzed across-the-board. Then the frame and principles for its commercial development are provided.
论文对IMRT治疗计划系统进行了系统分析，为其全面的商品化开发提供了框架和依据。
Conclusion IMRT can improve CTV dose distribution and reduce the cardiac dose and volume for the left breast cancer after breast-conserving surgery.
结论左侧乳腺癌保乳术后，调强放疗能改善靶区剂量分布、减少心脏受照剂量和体积。
Transfer their IMRT plans to the 2 dimensional ionization chamber array and phantom scanned by CT, and then generate quality assurance plan (QA plan).
然后将治疗计划分别移植到经过CT扫描的二维电离室矩阵和调强体模，生成验证计划。
Took simulated CT scan for these patients post surgery and designed Intensity modulation radiation therapy (IMRT) and proceeded with image-guided IMRT.
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。
The efficacy of sequential chemotherapy and boost IMRT is close to conventional sequential radiotherapy and chemotherapy for NSCLC without increasing toxicity.
对于NSCLC，后程调强适形序贯放化疗与常规序贯放化疗疗效相近，毒性反应未增加。
As an advanced conformal therapy, Intensity-modulated radiotherapy (IMRT) can increase the gain ratio of radiotherapy and improve the local control of the tumor.
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。
Objective:To study the clinical application of CT-based simulation and evaluate the its value in the treatment planning of intensity-modulated radiotherapy(IMRT).
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。
Aiming at the inverse design of treatment planning for intensity modulated radiation therapy (IMRT), the multi-objective optimization model for IMRT was discussed.
针对适形调强放射治疗(IMRT)治疗计划逆向设计的需要，建立了IMRT治疗计划的多目标优化模型。
Aiming at the inverse design of treatment planning for intensity modulated radiation therapy (IMRT), the multi-objective optimization model for IMRT was discussed.
针对适形调强放射治疗(IMRT)治疗计划逆向设计的需要，建立了IMRT治疗计划的多目标优化模型。
应用推荐