辐射诱导性脑膜瘤:对927种脑膜瘤的系统审查和元分析
Neil D Almeida1, Sarthak Sinha1, Mengyu Fang1
1Department of Radiation Medicine, Roswell Park Comprehensive Cancer Center, Buffalo, New York, United States.
Surgical neurology international
|February 9, 2026
概括
辐射诱导性脑膜瘤 (RIM) 是一种具有攻击性的内瘤. 早期部辐射暴露增加了RIM风险,需要对幸存者进行长期MRI监测.
科学领域:
- 神经瘤学神经瘤学
- 辐射瘤学 辐射瘤学
- 流行病学 流行病学
背景情况:
- 脑膜瘤是最常见的原发性脑瘤.
- 电离辐射暴露是患脑膜瘤的已知危险因素.
- 辐射诱导性脑膜瘤 (RIM) 与自发性脑膜瘤相比,表现出更具侵略性的临床和放射性进展.
研究的目的:
- 系统地审查和元分析辐射诱导脑膜瘤的发病率,临床特征和结果.
- 为了比较脑膜瘤在部放射治疗 (CRT) 和头炎 (TC) 放射治疗后的结果.
- 评估辐射剂量和延迟对RIM发育和进展的影响.
主要方法:
- 对Medline,Embase和Cochrane控制试验中心注册的系统文献搜索.
- 来自30项研究的综合数据的元分析,其中包括825名患者的927个RIM.
- 根据放射治疗类型 (CRT与TC) 和分析存活率,瘤控制和不良事件的基础上对患者进行分层.
主要成果:
- 在CRT (21.54年) 后,与TC (40.49年) 相比,脑膜瘤发展的中位延迟时间明显较短.
- 聚合1年总生存率为95.46%和1年无进展生存率为99.71%.
- 总的局部复发率为27.35%,较高剂量的CRT与早期发病和更多的非典型瘤有关.
结论:
- 高剂量和低剂量的头骨辐射疗法对RIM延迟和等级有不同的影响.
- 有史以来部辐射暴露的个体患二次脑膜瘤的风险增加.
- 建议对儿童部辐射的幸存者进行结构化的长期MRI监测,以促进RIM的早期检测和管理.
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