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Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies
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在质子疗法中处理植入物的实际考虑.

Gloria Vilches-Freixas1, Vicki Trier Taasti1,2, Ilaria Rinaldi1

  • 1Department of Radiation Oncology (Maastro), GROW Research Institute for Oncology and Reproduction, Maastricht University Medical Centre+, Maastricht, The Netherlands.

Journal of applied clinical medical physics
|October 30, 2025
PubMed
概括

在质子疗法中管理医疗植入物对于准确的剂量计算至关重要. 小型植入物可以使用标准的CT曲线,而大型植入物需要材料覆盖,以确保患者的安全和有效的治疗.

关键词:
在CT图像中出现的文物.临床指导 临床指导金属植入物 植入物金属植入物质子疗法是一种质子疗法.

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科学领域:

  • 医学物理 医学物理
  • 辐射瘤学 辐射瘤学
  • 医疗成像医学成像

背景情况:

  • 计算机断层扫描 (CT) 模拟是质子疗法规划的标准.
  • 非组织类材料和高Z金属植入物会导致CT工件,影响剂量计算的准确性.
  • 这些不准确性影响了质子疗法规划和剂量递送.

研究的目的:

  • 概述在质子疗法期间管理医疗植入物的临床程序.
  • 为应对植入物在基于CT的治疗规划中所带来的挑战.

主要方法:

  • 根据尺寸和图像影响,将植入物分为"小"和"大".
  • 进行患者剂量评估以评估植入物影响.
  • 考虑了CT窗口级设置,材料覆盖和文物缓解.

主要成果:

  • 小型/植入物不需要材料覆盖.
  • 大型植入物 (,金属假肢,空气口袋) 需要材料覆盖,以获得准确的制动力比率.
  • 建议避免质子束通过金属植入物.

结论:

  • 在质子疗法中开发了一种标准化的植入物管理策略.
  • 程序是基于临床经验和剂量评估.
  • 这些见解可以帮助其他中心改进植入物管理协议.