部门对一小群下肢肉瘤患者的不动化进行了审计
B Tabet1, C David1, S Moinuddin1
1University College London Hospitals NHS Foundation Trust, UK.
Radiography (London, England : 1995)
|December 20, 2025
概括
这次审计发现四肢肉瘤固定系统是有效的,大多数患者表现出可以容忍的变化. 生殖器位移装置 (GDD) 成功地限制了生殖器的运动,尽管一些患者需要调整.
科学领域:
- 辐射瘤学 辐射瘤学
- 医学物理 医学物理
- 骨系统成像 骨系统成像
背景情况:
- 肢体肉瘤治疗需要精确的辐射输送.
- 固定和患者定位对于精确的放射治疗至关重要.
- 生殖器移位装置 (GDD) 的目的是在治疗期间保护生殖器官.
研究的目的:
- 对肢体肉瘤患者的固定和GDD设置的有效性进行审核.
- 为了评估治疗期间的翻译变化和外部生殖器的位置.
主要方法:
- 在2022-2023年期间接受治疗的20名患者 (10名男性,10名女性) 的回顾性审查.
- 分析了581张图像,使用CBCT评估翻译移位和外部生殖器位置.
- 使用交通信号灯系统 (绿色,珀色,红色) 分类生殖器位置.
主要成果:
- 81.2%的翻译转移处于容忍范围内;只有2.6%的转移超过1厘米.
- GDD的表现很好:92%的CBCT是绿色或珀色的,表明没有PTV侵占.
- 三名患者有很高的脱离耐受性的变化百分比;由于生殖器位置,一名患者需要重新设置.
结论:
- 固定系统对大多数四肢肉瘤患者有效.
- 在大多数情况下,GDD成功地限制了外部生殖器的运动.
- 一个标准化的交通信号灯系统可以帮助分析相对于计划目标体积 (PTV) 的生殖器位移.
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