Regional Breast Care, Genesis Care Network, 8931 Colonial Center Dr #301, Fort Myers, FL 33905, USA.
Morsani College of Medicine, University of South Florida, Tampa, Fl 33602, USA.
Curr Oncol. 2023 Dec 6;30(12):10351-10362. doi: 10.3390/curroncol30120754.
BACKGROUND: Axillary node status is an important prognostic factor in breast cancer. The primary aim was to evaluate tumor size and other characteristics relative to axillary disease. MATERIALS AND METHODS: Single institution retrospective chart review of stage I-III breast cancer patients collected demographic and clinical/pathologic data from 1998-2019. Student's -test, Chi-squared test (or Fisher exact test if applicable), and logistic regression models were used for testing the association of pN+ to predictive variables. RESULTS: Of 728 patients (mean age 59 yrs) with mean follow up of 50 months, 86% were estrogen receptor +, 10% Her2+, 78% ER+HER2-negative, and 10% triple-negative. In total, 351/728 (48.2%) were pN+ and mean tumor size was larger in pN+ cases compared to pN- cases (mean = 27.7 mm versus 15.5 mm) ( < 0.001). By univariate analysis, pN+ was associated with lymphovascular invasion (LVI), higher grade, Her2, and histology ( < 0.005). Tumor-to-nipple distance was shorter in pN+ compared to pN- (45 mm v. 62 mm; < 0.001). Age < 60, LVI, recurrence, mastectomy, larger tumor size, and shorter tumor-nipple distance were associated with 3+ positive nodes ( < 0.05). CONCLUSIONS: Larger tumor size and shorter tumor-nipple distance were associated with higher lymph node positivity. Age less than 60, LVI, recurrence, mastectomy, larger tumor size, and shorter tumor-nipple distance were all associated with 3+ positive lymph nodes.
背景:腋窝淋巴结状态是乳腺癌的一个重要预后因素。主要目的是评估肿瘤大小和其他特征与腋窝疾病的关系。
材料与方法:回顾性分析 1998 年至 2019 年期间 I 期至 III 期乳腺癌患者的单机构病历资料,收集人口统计学和临床/病理数据。采用学生 t 检验、卡方检验(或适用时的 Fisher 确切检验)和逻辑回归模型,检验 pN+与预测变量的相关性。
结果:在 728 例(平均年龄 59 岁)患者中,平均随访时间为 50 个月,86%为雌激素受体阳性,10%为 Her2 阳性,78%为 ER+HER2 阴性,10%为三阴性。在总共 728 例患者中,351/728(48.2%)为 pN+,与 pN-相比,pN+患者的肿瘤平均直径更大(平均值为 27.7 毫米对 15.5 毫米)(<0.001)。单因素分析显示,pN+与淋巴管血管侵犯(LVI)、高分级、Her2 和组织学相关(<0.005)。与 pN-相比,pN+患者的肿瘤至乳头距离更短(45 毫米对 62 毫米)(<0.001)。年龄<60 岁、LVI、复发、乳房切除术、肿瘤直径较大和肿瘤至乳头距离较短与 3+阳性淋巴结相关(<0.05)。
结论:较大的肿瘤直径和较短的肿瘤至乳头距离与更高的淋巴结阳性率相关。年龄<60 岁、LVI、复发、乳房切除术、肿瘤直径较大和肿瘤至乳头距离较短与 3+阳性淋巴结相关。
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