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中华临床医师杂志(电子版) ›› 2021, Vol. 15 ›› Issue (10) : 768 -773. doi: 10.3877/cma.j.issn.1674-0785.2021.10.009

乳腺癌·临床研究

乳腺癌腋窝淋巴结转移患者新辅助化疗后腋窝病理完全缓解的相关因素分析
甘良雨1, 辛灵1, 程元甲1, 刘倩1, 叶京明1, 徐玲1, 段学宁1, 刘荫华1,()   
  1. 1. 100034 北京,北京大学第一医院乳腺疾病中心
  • 收稿日期:2021-07-07 出版日期:2021-10-15
  • 通信作者: 刘荫华
  • 基金资助:
    北京医学奖励基金会“应用液体活检技术检测乳腺癌临床疗效的研究”(2016-2019); 北京医学奖励基金会基金(YXJL-2016-0040-0013); 北京医学奖励基金会青年培育基金(20180502); 2019年度北京大学第一医院交叉临床研究专项课题(2019CR38)

Predictive factors for axillary pathological complete response in node-positive breast cancer after neoadjuvant chemotherapy

Liangyu Gan1, Ling Xin1, Yuanjia Cheng1, Qian Liu1, Jingming Ye1, Ling Xu1, Xuening Duan1, Yinhua Liu1,()   

  1. 1. Breast Disease Center, Peking University First Hospital, Beijing 100034, China
  • Received:2021-07-07 Published:2021-10-15
  • Corresponding author: Yinhua Liu
引用本文:

甘良雨, 辛灵, 程元甲, 刘倩, 叶京明, 徐玲, 段学宁, 刘荫华. 乳腺癌腋窝淋巴结转移患者新辅助化疗后腋窝病理完全缓解的相关因素分析[J]. 中华临床医师杂志(电子版), 2021, 15(10): 768-773.

Liangyu Gan, Ling Xin, Yuanjia Cheng, Qian Liu, Jingming Ye, Ling Xu, Xuening Duan, Yinhua Liu. Predictive factors for axillary pathological complete response in node-positive breast cancer after neoadjuvant chemotherapy[J]. Chinese Journal of Clinicians(Electronic Edition), 2021, 15(10): 768-773.

目的

探索与腋窝淋巴结阳性乳腺癌新辅助化疗(NACT)后腋窝病理完全缓解(apCR)有关的临床病理因素,从而筛选出适合免除腋窝淋巴结清扫(ALND)的患者。

方法

回顾性分析2013年1月至2018年12月在北京大学第一医院乳腺疾病中心接受NACT的明确存在腋窝淋巴结转移的女性原发性乳腺癌患者,分为apCR组及未apCR组,比较2组临床病理资料的差异。

结果

总共194例患者纳入分析,NACT后apCR率为35.1%(68/194)。单因素分析显示,初始临床腋窝淋巴结分期(cN)、组织学分级、激素受体(HR)状态、人表皮生长因子受体2(HER2)状态、乳腺是否病理完全缓解(bpCR)与apCR具有相关性(P均<0.05)。多因素分析显示,初始cN分期、是否bpCR是apCR的独立预测因素(P均<0.05)。进一步研究发现,当初始cN1患者获得bpCR时,Luminal B(HER2阳性)和三阴性(TNBC)型患者100%获得apCR,而HER2过表达型apCR率为88.2%,Luminal B(HER2阴性)亚型apCR率为50%。

结论

初始cN1的HER2阳性和三阴性乳腺癌患者在NACT后,如果获得了bpCR,其腋窝残留病灶的风险极低,适合做进一步免除ALND的研究。

Objective

To explore the clinicopathological factors related to axillary pathological complete response (apCR) in axillary lymph node-positive breast cancer after neoadjuvant chemotherapy (NACT), in order to screen out patients who are suitable for avoiding axillary lymph node dissection (ALND).

Methods

A retrospective analysis was performed on primary breast cancer patients with axillary lymph node metastasis who received NACT in the Breast Disease Center of Peking University First Hospital from January 2013 to December 2018. The patients were all female. The patients were divided into either an apCR group or a non-apCR group and the differences of clinicopathological factors between the two groups were compared.

Results

Finally, 194 patients were enrolled in this study. The apCR rate after NACT was 35.1% (68/194). Univariate analysis showed that initial clinical axillary lymph node stage (cN), histological grade, hormone receptor (HR) status, human epidermal growth factor receptor 2 (HER2) status, and breast pathological complete response (bpCR) were correlated with apCR (P<0.05 for all). Multivariate analysis showed that initial cN status and bpCR were independent predictors of apCR (P<0.05 for all). Further research found that when initial cN1 patients obtained a bpCR, all luminal B (HER2 positive) and triple negative breast cancer (TNBC) patients obtained an apCR, while the apCR rate was 88.2% in HER2 overexpressing patients and 50% in patients with the luminal B (HER2 negative) subtype.

Conclusion

If initial cN1 HER2-positive and triple-negative breast cancer patients obtain a bpCR after NACT, the risk of having residual disease in axillary lymph nodes is extremely low, and they are suitable for further research to avoid ALND.

表1 新发乳腺癌患者临床病理资料与apCR关系的单因素分析[例(%)]
表2 新发乳腺癌患者临床病理资料与apCR关系的多因素分析
表3 新发乳腺癌患者各肿瘤亚型及不同cN患者获得bpCR后的apCR情况[例(%)]
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