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微卫星不稳定性作为隐性淋巴结转移早期子宫内膜癌的危险因素:一项回顾性多中心研究

Carlo Ronsini¹, Stefano Restaino², Federico Paparcura²

¹Unit of Gynaecology and Obstetrics, Department of Woman, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", 80168 Naples, Italy.

|April 14, 2025

概括

微卫星不稳定性 (MSI) 与早期子宫内膜癌中隐藏的淋巴结转移的风险更高. MSI测试可以改善这些患者的淋巴结分期.

科学领域:

在瘤学瘤学.
病理学病理学病理学
遗传学遗传学是一个

背景情况:

早期子宫内膜癌 (EC) 的分期依赖于精确的淋巴结评估.
隐性淋巴结转移 (LNMs) 可以通过手术前成像错过.
微卫星不稳定性 (MSI) 是EC的一个分子亚型.

研究的目的:

调查MSI与早期EC隐性LNM风险之间的关联.
确定MSI是否是LNMs的独立预测因素.
探索特定基因异构体损失在LNM风险中的作用.

主要方法:

对237名早期EC患者进行了回顾性多中心队列研究.
基于MSI状态的分层 (MSI与微卫星稳定[MSS]).
多变量逻辑回归分析对瘤等级和LVSI进行调整.

主要成果:

在MSI组显示显著更高的隐性LNMs (19%对6.7%,p=0.005) 的发生率.
证实MSI是LNMs的一个独立风险因素 (OR=1.105,p=0.020).
失去MLH1/PMS2或MSH2/MSH6异构体进一步增加了LNM的风险.

结论:

MSI独立地与早期EC中隐性LNMs的风险增加有关.
MSI分析可能会增强EC的淋巴结分期策略.
需要进一步的研究来评估预后影响和外科手术的影响.

关键词:

这是子宫内膜癌的癌症.微卫星的不稳定性分子分类的分子分类.隐性淋巴结转移隐性淋巴结转移手术分期是指手术的分期.

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