重新评估8厘米的切断线:持续的瘤大小-死亡风险支持高度骨髓瘤的三级分期
Ezekiel Dingle1, Kole Joachim1, Othneil Sparks1
1David Geffen School of Medicine at the University of California, Los Angeles, California, USA.
Journal of surgical oncology
|December 30, 2025
概括
骨髓瘤瘤的大小直接影响存活率,较大的瘤表明预后更差. 软组织肉瘤 (STS) 的三级分期系统在风险分层方面比美国癌症联合委员会 (AJCC) 的二元分期更有效.
科学领域:
- 在瘤学瘤学.
- 手术瘤学手术瘤学
- 生物统计学 生物统计学
背景情况:
- 主要瘤大小是骨髓瘤的关键预后指标.
- 高度骨髓瘤的定量风险分层和最佳尺寸值仍然不清楚.
研究的目的:
- 量化原发性瘤大小与高度骨髓瘤的存活率之间的关系.
- 评估风险分层的不同分阶段系统的有效性.
主要方法:
- 从SEER数据库 (2000-2021) 中分析了1807名高度骨肉瘤患者.
- 使用考克斯回归,系统值测试 (40-150毫米) 和倾向得分匹配.
- 对比二进制AJCC分期与三层软组织肉瘤 (STS) 适应的分期系统.
主要成果:
- 每增加10毫米的瘤大小与6.6%的死亡风险增加相关 (HR=1.066,p<0.001).
- 在瘤大小和存活率之间存在连续的,线性剂量反应关系.
- 与二进制AJCC分期 (34.4%-44.4%) 相比,三层STS适应的分期显示出更高的死亡率歧视 (26.6%-47.7%).
结论:
- 瘤大小对骨髓瘤存活率表现出持续的剂量反应影响.
- 一个三层STS适应的分阶段系统提供了比二进制AJCC分类更准确的风险分层.
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