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在中等风险的宫癌中重新考虑辅助放射治疗:来自CIRCOL研究小组的发现
Glauco Baiocchi1, Paulo Henrique Zanvettor2, Andre Lopes1
1A.C. Camargo Cancer Center, Department of Gynecologic Oncology, São Paulo, Brazil.
概括
对于经过彻底切除子宫瘤后具有中等风险因素的宫癌患者来说,较大的瘤大小和更深的肌层侵袭增加了复发风险. 辅助放射治疗没有改善这一组的生存结果.
科学领域:
- 妇科瘤学 妇科瘤学
- 手术瘤学手术瘤学
- 辐射瘤学 辐射瘤学
背景情况:
- 激进子宫切除术是早期宫癌的主要治疗方法.
- 宫癌中介风险因素需要在辅助治疗决策时仔细考虑.
- 辅助放射治疗在改善这些患者的存活率方面的作用仍在争论中.
研究的目的:
- 为了评估宫癌患者的存活结果,这些患者具有中等风险因素后的激进子宫切除术.
- 评估辅助放射治疗对该患者队列中复发和死亡率的具体影响.
主要方法:
- 对1280名为宫癌进行了彻底切除子宫的患者 (阶段Ia2-Ib2) 的回顾性分析.
- 纳入标准:瘤≤4厘米,没有淋巴结转移,负边缘或参数参与.
- 中级风险因素定义为瘤大小>2厘米至≤4厘米,肌层侵袭≥10毫米,淋巴血管空间侵袭.
主要成果:
- 759名患者符合标准;158人接受了外部光束放射治疗.
- 瘤大小大于2厘米,胸膜侵袭≥10毫米独立增加复发风险.
- ≥2个中等风险因素显著增加了癌症复发和癌症相关死亡风险,不论放射治疗.
结论:
- 瘤大小和树突侵袭深度是宫癌复发的关键预测因素.
- 辅助放射治疗并没有证明在急性子宫切除术后具有中等风险特征的患者的生存结果有所改善.
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