三重阴性无细胞癌:最大的队列突出显示了独特的生物学和生存优势
Tugba Basoglu1, Ugur Ozkerim1, Sila Oksuz1
1Department of Medical Oncology, Kartal Dr. Lütfi Kirdar City Hospital, Health Science University, 34865 Istanbul, Turkey.
Journal of clinical medicine
|October 16, 2025
概括
无三阴性乳腺癌 (TNAC) 的病理完整反应率较低,但比经典的三阴性乳腺癌 (TNBC) 的生存率更好. 在TNAC中.
科学领域:
- 在瘤学瘤学.
- 乳腺癌研究研究 乳腺癌研究
- 癌症生物学 癌症生物学
背景情况:
- 三阴性乳腺癌 (TNBC) 缺乏ER,PR和HER2受体,具有攻击性特征和高复发风险.
- 分细胞分化 (TNAC) 是一种独特的TNBC亚型,通常是雄激素受体 (AR) 阳性,具有降低的化学敏感性,但预后更为有利.
- 在TNAC和非阿波克林TNBC (NA-TNBC) 之间存在有限的比较研究.
研究的目的:
- 确定TNAC和NA-TNBC之间的临床和生物区别.
- 分析迄今为止最大的TNAC队列.
- 评估这些亚型的治疗反应和生存结果.
主要方法:
- 对129名接受新辅助化疗 (NACT) 和手术 (2010-2020) 的非转移性TNBC患者的回顾性分析.
- 根据病理特征将其分为TNAC和NA-TNBC组.
- 收集和评估人口统计学,临床病理学,免疫组织化学数据 (Ki-67,AR),瘤透性淋巴细胞 (TILs),delta Ki-67,病理完整反应 (pCR) 和生存率.
主要成果:
- 在该队列中,TNAC占34.9%,其中64.4%为AR阳性.
- 在TNAC患者中,pCR率显著降低 (6.6%与30.9%相比),Ki-67,delta Ki-67和TIL阳性也降低.
- 尽管对NACT的反应较低,但TNAC的5年整体存活率更高 (86%对78%).
- 德尔塔基-67>20%预测的pCR (p < 0.001);碳烯使用,虽然在TNAC中很少见,但与较高的pCR相关 (50%对2.4%).
结论:
- TNAC是一种独特的TNBC亚型,具有较低的pCR率,但具有有利的生存结果.
- 识别TNAC的独特特征可以为治疗降级策略提供信息,并指导AR向治疗研究.
- 未来研究对于进一步阐明TNAC生物学和优化治疗方法至关重要.
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