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相关概念视频

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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Dynamic Lung Tumor Tracking for Stereotactic Ablative Body Radiation Therapy
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磁力共振成像指导的辐射疗法系统

Daniel A Low1, B Gino Fallone2, Bas W Raaymakers3

  • 1Radiation Oncology, UCLA, Los Angeles, CA..

Seminars in radiation oncology
|December 17, 2023
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此摘要是机器生成的。

商业供应商通过将MRI与线性加速器集成而开发了创新的MR导向辐射疗法 (MRIgRT) 系统. 本文详细介绍了三种不同的商业MRIgRT系统,有助于理解它们的配置和科学文献.

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科学领域:

  • 医学物理 医学物理
  • 辐射瘤学 辐射瘤学
  • 生物医学工程 生物医学工程

背景情况:

  • 传统的线性加速器面临的挑战是与磁共振成像 (MRI) 集成用于放射治疗.
  • 商业供应商开创了新的解决方案,将MRI和线性加速器 (Linac) 技术结合起来,用于先进的癌症治疗.
  • 磁力共振导向放射治疗 (MRIgRT) 的发展代表了瘤学的重大技术进步.

研究的目的:

  • 提供三种主要商业MRIgRT系统的技术配置的全面概述.
  • 阐明供应商在整合MRI和Linac功能时采取的不同方法.
  • 为读者提供知识,以便更好地解释商业MRIgRT系统的科学文献.

主要方法:

  • 分析了三种不同的商业MRIgRT系统使用的集成策略.
  • 在这些系统中使用的不同磁场强度 (0.35T至1.5T) 的比较.
  • 检查系统设计理念的变化,包括患者支持和治疗规划工作流.

主要成果:

  • 每个商业MRIgRT系统都展示了MRI和Linac组件的独特集成技术.
  • 在不同供应商的选择磁场强度和整体系统设计理念中存在显著的变化.
  • 在分析的系统中,患者处理和治疗计划的不同方法显而易见.

结论:

  • 了解商业MRIgRT系统的特定配置对于解释研究结果至关重要.
  • 系统设计的多样性反映了MRIgRT集成挑战的不同工程解决方案.
  • 这种比较分析有助于更深入地了解图像导向放射治疗的不断变化的景观.