临床病理分层表明子宫内膜癌与不匹配修复缺陷和没有特定分子形状之间的生存差异:一个队列研究
Mikko Loukovaara1, Annukka Pasanen2, Karoliina Aro3
1Helsinki University Hospital and University of Helsinki, Department of Obstetrics and Gynecology, Helsinki, Finland; Helsinki University Hospital and University of Helsinki, Comprehensive Cancer Center, Helsinki, Finland.
概括
不匹配修复缺陷的子宫内膜癌 (MMRd) 结果比无特定分子谱 (NSMP) 瘤要差,特别是在中等风险组. 临床病理学因素显著影响MMRd预后,特别是MLH1-甲基化瘤.
科学领域:
- 妇科瘤学 妇科瘤学
- 分子病理学分子病理学
- 癌症预后 癌症预后
背景情况:
- 带有不匹配修复缺陷 (MMRd) 和无特异分子谱 (NSMP) 的子宫内膜癌被归类为中期预后.
- 需要澄清MMRd和NSMP亚组之间的预后差异,特别是在控制临床病理因素时.
研究的目的:
- 评估和比较MMRd和NSMP子宫内膜癌的结果.
- 在已建立的临床病理风险组中分析这些结果.
主要方法:
- 来自单一三级中心的420个MMRd和399个NSMP子宫内膜癌的分析.
- 使用免疫组织化学和聚合酶-epsilon测序进行分子分类.
- 基于MLH1甲基化状态的MMRd瘤的分类.
- 根据欧洲指导方针进行风险分层.
主要成果:
- 与中等风险组的NSMP相比,MMRd子宫内膜癌显示出明显较差的无进展,疾病特异性和整体存活率.
- 与NSMP相比,MLH1-甲基化MMRd瘤与更具侵略性的特征和更差的结果有关.
- 调整年龄和辅助疗法,MMRd仍然与较差的无进展生存率有关.
结论:
- 临床病理因素,特别是在中等风险组中,似乎会使MMRd子宫内膜癌的预后恶化.
- 先进阶段是高风险转移性子宫内膜癌的不良结果的关键因素.
- 当受临床病理因素影响时,MLH1-甲基化子宫内膜癌的预后特别差.
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