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在螺旋式与机器人放射治疗平台上使用实时自适应运动管理对瘤追踪精度进行比较:一项跨学科研究
Shishir Kumar1, Dhiren K Panda1, Parveen Sharma2
1Anatomy, Institute of Medical Sciences (IMS) and SUM Hospital, Siksha 'O' Anusandhan University, Bhubaneswar, IND.
Cureus
|June 30, 2025
概括
与螺旋式断层疗法相比,机器人CyberKnife系统提供更高的瘤跟踪精度,特别是在放射治疗期间复杂的瘤运动. 这提高了治疗移动瘤的精度.
科学领域:
- 辐射瘤学 辐射瘤学
- 医学物理 医学物理
背景情况:
- 实时自适应运动管理 (RTAMM) 系统提高了放射治疗中的瘤跟踪精度.
- 精确的跟踪对于治疗复杂运动瘤至关重要.
研究的目的:
- 为了研究和比较使用RTAMM的螺旋式断层疗法和机器人CyberKnife系统的瘤跟踪精度.
- 确定这些系统对于运动复杂的瘤的临床相关性.
主要方法:
- 从60名患有肺或肝瘤的患者的临床和成像数据的回顾性分析.
- 实时追踪瘤位置偏差在治疗期间使用车载成像.
- 使用独立的t测试对TomoTherapy和CyberKnife之间跟踪准确性的统计比较.
主要成果:
- 与断层治疗 (2.3 mm ± 0.4 mm) 相比,CyberKnife显示出明显更高的瘤跟踪精度 (平均偏差0.8 mm ± 0.2 mm).
- 网络刀在跟踪高运动瘤方面表现出卓越的表现 (p < 0.01).
结论:
- 机器人CyberKnife系统提供比螺旋式断层疗法更准确的瘤跟踪.
- 赛博Knife的增强精度特别有利于用复杂的运动治疗瘤,支持其在精确放射治疗中的作用.
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