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中华临床医师杂志(电子版) ›› 2025, Vol. 19 ›› Issue (02) : 102 -107. doi: 10.3877/cma.j.issn.1674-0785.2025.02.002

临床研究

间质肿瘤浸润淋巴细胞与年轻乳腺癌新辅助治疗腋窝病理完全缓解的相关性
吴鸿宇1, 牟鳄贤2, 董浩3, 纪娟3, 刘世伟4,()   
  1. 1. 610041 成都,电子科技大学医学院 四川省肿瘤医院·研究所
    2. 610041 成都,四川省肿瘤医院·研究所 四川省肿瘤临床医学研究中心 四川省癌症防治中心 电子科技大学附属肿瘤医院整形科
    3. 610041 成都,四川省肿瘤医院·研究所 四川省肿瘤临床医学研究中心 四川省癌症防治中心 电子科技大学附属肿瘤医院病理科
    4. 610041 成都,四川省肿瘤医院·研究所 四川省肿瘤临床医学研究中心 四川省癌症防治中心 电子科技大学附属肿瘤医院乳腺科
  • 收稿日期:2025-02-01 出版日期:2025-02-15
  • 通信作者: 刘世伟
  • 基金资助:
    四川省科技计划资助(2023YFS0103)吴阶平医学基金会临床科研专项资助基金课题(320.6750.2023-18-116)

Stromal tumor-infiltrating lymphocytes as a predictor of axillary pathological complete response after neoadjuvant therapy in young breast cancer patients with axillary lymph node metastasis

Hongyu Wu1, Exian Mou2, Hao Dong3, Juan Ji3, Shiwei Liu4,()   

  1. 1. School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
    2. Department of Plastic and Reconstructive Surgery,Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital &Institute, Sichuan Cancer Center, University of Electronic Science and Technology of China, Chengdu, China
    3. Department of Pathology,Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital &Institute, Sichuan Cancer Center, University of Electronic Science and Technology of China, Chengdu, China
    4. Department of Breast, Sichuan Clinical Research Center for Cancer, Sichuan Cancer Hospital &Institute, Sichuan Cancer Center, University of Electronic Science and Technology of China, Chengdu, China
  • Received:2025-02-01 Published:2025-02-15
  • Corresponding author: Shiwei Liu
引用本文:

吴鸿宇, 牟鳄贤, 董浩, 纪娟, 刘世伟. 间质肿瘤浸润淋巴细胞与年轻乳腺癌新辅助治疗腋窝病理完全缓解的相关性[J/OL]. 中华临床医师杂志(电子版), 2025, 19(02): 102-107.

Hongyu Wu, Exian Mou, Hao Dong, Juan Ji, Shiwei Liu. Stromal tumor-infiltrating lymphocytes as a predictor of axillary pathological complete response after neoadjuvant therapy in young breast cancer patients with axillary lymph node metastasis[J/OL]. Chinese Journal of Clinicians(Electronic Edition), 2025, 19(02): 102-107.

目的

针对初始腋窝淋巴结阳性(cN+)年轻乳腺癌患者,研究间质肿瘤浸润淋巴细胞(sTILs)与新辅助治疗(NAT)后腋窝病理完全缓解(apCR)的相关性。

方法

分析2017年1月至2024年6月于四川省肿瘤医院乳腺科接受NAT的cN+年轻乳腺癌,研究sTILs及各项临床病理因素与apCR的相关性。sTILs量化评测基于国际肿瘤浸润淋巴细胞工作组推荐方法。sTILs表达高低判定为:低表达(sTILs<10%)、中表达(10%≤sTILs<50%)及高表达(sTILs≥50%)。临床病理因素与apCR相关性的单因素分析采用χ2检验或Fisher确切概率法,多因素分析采用二元Logistic回归。

结果

101例年轻乳腺癌符合标准纳入本研究,总体apCR率45.5%(46/101)。单因素分析显示,临床T分期、人类表皮生长因子受体2状态、乳房病理完全缓解(bpCR)情况及sTILs表达情况与apCR的相关性具有统计学意义。多因素分析表明,是否达到bpCR(是vs否;OR=3.14;95%CI:1.15~8.52;P=0.025)及sTILs表达情况(P=0.038;高表达vs低表达,OR=9.28,95%CI:1.59~54.09,P=0.013;中表达vs低表达,OR=2.04,95%CI:0.78~5.30,P=0.144)是cN+年轻乳腺癌NAT后apCR的独立预测因素。sTILs高表达并达到bpCR者apCR率100%(6/6),sTILs低表达且未达到bpCR者apCR率仅26.9%(7/26)。

结论

bpCR情况及sTILs表达情况是cN+年轻乳腺癌NAT后apCR的独立预测因素。针对cN+年轻乳腺癌NAT,本研究结果有助于筛选预后获益人群及NAT后保留腋窝手术的适宜人群。

Objective

To investigate the correlation of stromal tumor-infiltrating lymphocytes(sTILs) with axillary pathological complete response (apCR) in clinically node-positive (cN+) young breast cancer patients treated with neoadjuvant therapy (NAT).

Methods

Data of cN+ young breast cancer patients treated with NAT at the Department of Breast in Sichuan Cancer Hospital from January 2017 to June 2024 were reviewed. sTILs were evaluated according to the recommendations by the International TILs Working Group. The expression of sTILs was defined as low (sTILs<10%), moderate (10%≤sTILs<50%), or high (sTILs≥50%). The associations between clinicopathological characteristics and apCR were analyzed.Univariate analysis was conducted by the chi-square test or Fisher's exact test, while multivariate analysis was performed using binary logistic regression.

Results

A total of 101 young breast cancer patients were included, and the overall apCR rate was 45.5% (46/101). Univariate analysis suggested statistically significant associations of apCR with clinical tumor stage, human epidermal growth factor receptor 2 status, breast pathological complete response (bpCR), and sTILs. Multivariate analysis showed that bpCR (yes vs no;odds ratio=3.14; 95% confidence interval 1.15~8.52; P=0.025) and sTILs (P=0.038; high vs low, OR=9.28,95%CI: 1.59~54.09, P=0.013; moderate vs low, OR=2.04, 95%CI: 0.78~5.30, P=0.144) were independent predictive factors for apCR in cN+ young breast cancer patients undergoing NAT. The apCR rate of patients with bpCR and high sTILs was 100% (6/6), whereas only 26.9% (7/26) of patients with non-bpCR and low sTILs achieved an apCR.

Conclusion

bpCR and sTILs are independent predictive factors for apCR in cN+young breast cancer patients undergoing NAT.

表1 临床病理因素与apCR相关性的单因素分析[例(%)]
表2 临床病理因素与apCR相关性的多因素分析
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