imrt

  • 网络调强放疗(intensity-modulated radiation therapy);调强放射治疗;强度调控放射治疗

imrtimrt

imrt

调强放疗(intensity-modulated radiation therapy)

随着调强放疗(IMRT)技术的发展,用调强技术治疗鼻咽癌日益增多,实践证明,调强放疗在提高靶区剂量的同时,能够更好地保护正 …

调强放射治疗

调强放射治疗IMRT)以先进的治疗计划系统和加速器设备为基础,具有靶区的高剂量区三维适形,周围危及...回答者:淄博 …

强度调控放射治疗

强度调控放射治疗IMRT)不仅大幅提高治癒鼻咽癌的机率,也降低口乾的副作用。(图:光明日报)10-2-8 lc1368@天涯社 …

调强适形放射治疗

擅长调强适形放射治疗(IMRT)和三维适形放射治疗(专家网站: http://z.xywy.com/zhaoyufeidr/ 访问专家网站>> 在线咨询: 预 …

适形调强放疗

1.适形调强放疗IMRT)治疗早期鼻咽癌的临床Ⅱ期研究2.局部区域晚期鼻咽癌同期放、化疗联合辅助化疗多中心前瞻性研究 1…

调强适形放疗

目前调强适形放疗IMRT)及三维适形放疗(3DCRT)是主要的精确放疗技术,如何布野以提高病灶的放射剂量是研究重点之 …

调强放疗技术

小靶区调强放疗技术(IMRT)治疗早期鼻咽癌近期疗效观察 顾小伟 大鼠脑缺血适应再灌注后TDAG8表达的影响 何炜,周婕 肠内 …

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Long-term data comparing 3D CRT for prostate cancer versus the use of IMRT is only now beginning to mature. 比较应用3DCRT和IMRT治疗前列腺癌的长期数据现在才刚刚成熟。
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With improvement of the delivery efficiency, IMRT should provide the optimal treatment for recurrent nasopharyngeal carcinoma. 在执行效率改善之下,强度调控放射治疗将提供做为鼻咽癌复发时的最适切之疗法。
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The research of this paper provided one more choice for the dose calculation algorithm in IMRT treatment planning system. 本文的研究为IMRT逆向计划过程的剂量计算提供了更多算法选择依据。
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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。
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Conclusion The objective function is valid and efficient for clinical application in IMRT inverse planning optimization. 结论:上述目标函数在调强放疗逆向计划优化中具有重要临床应用价值。
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In relative dose verification, 27 out of 30 patients'passed point in IMRT plans are more than 90% which means the calculation passes. 在相对剂量验证中30例患者的IMRT计划有27例患者计划通过点大于90%,表明计划通过;
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Taking simulated annealing algorithm which has high local searching ability into genetic algorithm selecting accelerator gantrys. 在选择IMRT治疗机架角遗传算法中,融入局部寻优能力强的模拟退火算法。
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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。
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The planned dose distributions were more conformal to the sensitive normal tissue structures by IMRT plans in 3 different sites. 在此三个不同部位的计划剂量分布图上,强度调控放射治疗对敏感正常组织结构都较为适合。
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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。
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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。
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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。
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Methods The absolute dose between static physical compensator IMRT plan and polymethyl phantoms was compared in 17 cases. 方法:比较17例IMRT静态物理补偿器调强治疗计划与有机玻璃模体绝对剂量。
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Meantime, use 2 dimensional ionization chamber array for relative dose verification in 30 IMRT plans. 同时30例患者计划利用二维电离室矩阵进行相对剂量验证。
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For the study, physicians administered a dose of radiation with IMRT to the entire breast for four weeks (20 daily treatments). 在这一研究中,医生对整个乳癌组织用调强适形放射治疗仪实施四周的放射治疗。
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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。
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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。
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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。
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Influence of dose distribution selected from different beam orientation for a nasopharyngeal carcinoma IMRT plan 鼻咽癌调强治疗照射野布野方向对剂量分布的影响
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Comparison of the irradiation doses for IMRT and conventional radiotherapy in nasopharyngeal carcinoma patients 鼻咽癌调强放疗和常规放疗受照剂量对比分析
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Study of dose calculation and beam parameters optimization with genetic algorithm in IMRT 调强放射治疗中剂量计算与射野参数优化研究
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Verification on the Existence of the Degenerated Solutions in IMRT Optimization 关于调强放射治疗最优化存在简并解的检验
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A Feasible Study of Stepwise-plan IMRT for Local Advanced Nasopharyngeal Carcinoma 中晚期鼻咽癌调强适形放疗分段设计计划的可行性研究
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Genetic algorithm applied to optimization of IMRT inverse planning 遗传算法用于IMRT逆向计划优化
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Effect of the Size of Solution Space and the Size of Voxels in Beam Orientation Optimization of IMRT 调强放疗射束方向最优化计算中解空间和体元尺寸的影响
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intensity modulated radiation therapy(IMRT); 调强放射治疗;
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Methods and techniques for precise verification of IMRT dose distribution using DVS 利用DVS对调强放疗计划剂量分布精确验证的方法与技巧
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Dosimetry Verification and Quality Assurance Test of IMRT 调强放射治疗的物理剂量验证
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IMRT for treatment of nasopharyngeal carcinoma: A report of 43 cases 43例鼻咽癌的调强适形放射治疗体会
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Effect of Radiation Cut-off Radius on Dose Calculation in IMRT 调强放射治疗中散射截止半径选取对剂量计算结果的影响