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Management of the axilla in breast cancer: outcome analysis in a series of ductal versus lobular invasive cancers.
Breast Cancer Research and Treatment ( IF 3.8 ) Pub Date : 2020-02-14 , DOI: 10.1007/s10549-020-05565-x
S P Corona 1 , M Bortul 1 , S Scomersi 1 , C Bigal 1 , C Bottin 1 , F Zanconati 1 , S B Fox 2, 3 , F Giudici 1, 4 , D Generali 1, 5
Affiliation  

INTRODUCTION Axillary lymph node dissection (ALND) has been considered essential for the staging of breast cancer (BC). As the impact of tumor biology on clinical outcomes is recognized, a surgical de-escalation approach is being implemented. We performed a retrospective study focused on surgical management of the axilla in invasive lobular carcinoma (ILC) versus invasive ductal carcinoma (IDC). MATERIALS AND METHODS 1151 newly diagnosed BCs, IDCs (79.6%) or ILCs (20.4%), were selected among patients treated at our Breast Cancer Unit from 2012 to 2018. Tumor characteristics and clinical information were collected and predictors of further metastasis after positive sentinel lymph node biopsy (SLNB) analyzed in relation to disease-free survival (DFS) and overall survival (OS). RESULTS 27.5% of patients with ILC had ≥ 3 metastatic lymph nodes at ALND after positive SLNB versus 11.48% of IDCs (p = 0.04). Risk predictors of further metastasis at ALND were the presence of > 2 positive lymph nodes at SLNB (OR = 4.72, 95% CI 1.15-19.5 p = 0.03), T3-T4 tumors (OR = 4.93, 95% CI 1.10-22.2, p = 0.03) and Non-Luminal BC (OR = 2.74, 95% CI 1.16-6.50, p = 0.02). The lobular histotype was not associated with the risk of further metastasis at ALND (OR = 1.62, 95% CI 0.77-3.41, p = 0.20). CONCLUSIONS ILC histology is not associated with higher risk of further metastasis at ALND in our analysis. However, surgical management decisions should be taken considering tumor histotype, biology and expected sensitivity to adjuvant therapies.

中文翻译:

乳腺癌腋窝的处理:一系列导管癌和小叶浸润癌的结果分析。

简介腋窝淋巴结清扫术(ALND)被认为对乳腺癌(BC)分期至关重要。随着人们认识到肿瘤生物学对临床结果的影响,正在实施外科手术升级方法。我们进行了一项回顾性研究,侧重于浸润性小叶癌(ILC)与浸润性导管癌(IDC)的腋窝手术治疗。材料与方法从2012年至2018年在我们的乳腺癌科接受治疗的患者中,选择了1151例新诊断的BC,IDC(79.6%)或ILC(20.4%)。收集了肿瘤特征和临床信息,并确定了前哨阳性后的进一步转移指标淋巴结活检(SLNB)分析与无病生存期(DFS)和总体生存期(OS)的关系。结果27。SLNB阳性后,有5%的ILC患者在ALND处有≥3个转移性淋巴结转移,而IDC的11.48%则有11.48%(p = 0.04)。ALND进一步转移的风险预测因素是SLNB处> 2个阳性淋巴结(OR = 4.72,95%CI 1.15-19.5 p = 0.03),T3-T4肿瘤(OR = 4.93,95%CI 1.10-22.2, p = 0.03)和非底面BC(OR = 2.74,95%CI 1.16-6.50,p = 0.02)。小叶组织型与ALND进一步转移的风险无关(OR = 1.62,95%CI 0.77-3.41,p = 0.20)。结论在我们的分析中,ILC组织学与ALND进一步转移的更高风险无关。但是,应考虑肿瘤的组织学类型,生物学特性以及对辅助治疗的预期敏感性来做出外科治疗决策。ALND进一步转移的风险预测因素是SLNB处> 2个阳性淋巴结(OR = 4.72,95%CI 1.15-19.5 p = 0.03),T3-T4肿瘤(OR = 4.93,95%CI 1.10-22.2, p = 0.03)和非底面BC(OR = 2.74,95%CI 1.16-6.50,p = 0.02)。小叶组织型与ALND进一步转移的风险无关(OR = 1.62,95%CI 0.77-3.41,p = 0.20)。结论在我们的分析中,ILC组织学与ALND进一步转移的更高风险无关。但是,应考虑肿瘤的组织学类型,生物学特性以及对辅助治疗的预期敏感性来做出外科治疗决策。ALND进一步转移的风险预测因素是SLNB处> 2个阳性淋巴结(OR = 4.72,95%CI 1.15-19.5 p = 0.03),T3-T4肿瘤(OR = 4.93,95%CI 1.10-22.2, p = 0.03)和非底面BC(OR = 2.74,95%CI 1.16-6.50,p = 0.02)。小叶组织型与ALND进一步转移的风险无关(OR = 1.62,95%CI 0.77-3.41,p = 0.20)。结论在我们的分析中,ILC组织学与ALND进一步转移的更高风险无关。但是,应考虑肿瘤的组织学类型,生物学特性以及对辅助治疗的预期敏感性来做出外科治疗决策。小叶组织型与ALND进一步转移的风险无关(OR = 1.62,95%CI 0.77-3.41,p = 0.20)。结论在我们的分析中,ILC组织学与ALND进一步转移的更高风险无关。但是,应考虑肿瘤的组织学类型,生物学特性以及对辅助治疗的预期敏感性来做出外科治疗决策。小叶组织型与ALND进一步转移的风险无关(OR = 1.62,95%CI 0.77-3.41,p = 0.20)。结论在我们的分析中,ILC组织学与ALND进一步转移的更高风险无关。但是,应考虑肿瘤的组织学类型,生物学特性以及对辅助治疗的预期敏感性来做出外科治疗决策。
更新日期:2020-02-14
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