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Adaptive proton therapy

delete2021-11-15
delete96
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OA
AI
H
Harald Paganetti *
P
Pablo Botas
G
G Sharp
B
Brian Winey
DOI:10.1088/1361-6560/ac344fdelete
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摘要

摘要

En 中文
假设患者的解剖结构及其相对于递送系统的位置在治疗过程期间保持恒定,通常基于单个图像集来计划放射疗法治疗。类似地,处方剂量在治疗过程中假定恒定的生物剂量反应。然而,变化可以并且确实发生在多个时间尺度上。对于具有显著分数内运动的治疗部位,几何变化在数秒或数分钟内发生,而生物学考虑因素在数天或数周内发生变化。在中间时间尺度,在每日治疗部分之间发生几何变化。自适应放射治疗用于考虑分次治疗过程中患者解剖结构的变化。虽然传统上已经通过基于新的CT图像的重新规划来离线进行适应,但是由于先进的成像技术与治疗递送系统相结合,基于机载成像的在线治疗适应近年来已经获得了发展。适应在质子治疗中特别重要,其中由于质子束的剂量适形性和有限范围,患者解剖结构的小变化可能导致显著的剂量扰动。这篇综述总结了在线自适应质子治疗的最新技术,并确定了需要进一步研究的领域。
Keyword:
proton therapy
adaptive radiation therapy
online adaptation

期刊

Physics in Medicine and Biology 封面图
Physics in Medicine and Biology
IF:
3.4
论文数:
1.4W
被引数:
3.1W

机构

H
Harvard University
学者数:
26.5W
论文数: 22.0W
被引数: 28.7W
引用论文

引用论文

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