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在胃肠道脑转移的立体射线手术后的多机构结果
Jamiluddin J Qazi1, David J Carpenter1,2, Jim Leng1
1Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina.
Advances in radiation oncology
|June 20, 2025
概括
患有胃肠道脑转移的患者在放射性手术后的整体存活率和无内进展的存活率明显较差,与患有非胃肠道脑转移的患者相比. 这些发现突显了胃肠道癌症患者脑转移结果的差异.
科学领域:
- 神经瘤学神经瘤学
- 辐射瘤学 辐射瘤学
- 胃肠道瘤学 胃肠道瘤学
背景情况:
- 大脑转移是各种癌症的常见并发症.
- 立体辐射手术 (SRS) 是大脑转移的关键治疗方式.
- 对于患有胃肠道 (GI) 初级癌症和SRS后大脑转移的患者的结局尚未确定.
研究的目的:
- 为了比较患有胃肠道 (GI) 与非胃肠道 (非GI) 大脑转移的SRS治疗患者之间的治疗结果.
- 确定影响这些患者群体生存和进展的因素.
主要方法:
- 在1383名患者 (102名GI,1281名非GI) 的回顾性队列研究中,在2015-2020年期间接受了SRS.
- 主要结局:整体存活率 (OS) 和没有内进展的存活率 (PFS).
- 统计分析包括卡普兰-梅尔和考克斯的比例危险模型.
主要成果:
- 胃肠道患者年轻,更有可能是男性,接受了更多的全身治疗,并在SRS之前接受了脑转移的切除.
- 胃肠道患者 (5.4个月) 与非胃肠道患者 (10.6个月) 的中位 OS 显著较低 (P < 0.0001).
- 在GI患者 (6.2个月) 与非GI患者 (12.3个月) (P = 0.0002) 中,内PFS的中位数显著较低 (P = 0.0002).
结论:
- 来自胃肠道癌的脑转移表明,与非胃肠道癌起源相比,SRS后的总生存率和无内进展生存率较低.
- 这些发现强调,需要针对肠胃癌患者的脑转移量身定制的治疗策略和监测协议.
- 在结直肠或食道原发性胃肠道癌与其他胃肠道部位之间没有观察到显著的结果差异.
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