使用乳腺癌病理和免疫组织化学参数的21基因复发评分测定的可预测性。

IF 1.8 Q3 ONCOLOGY Breast Cancer : Basic and Clinical Research Pub Date : 2020-12-08 eCollection Date: 2020-01-01 DOI:10.1177/1178223420977848
Abdulmohsen Alkushi, Ahmad Omair, Haitham Arabi, Emad Masuadi, Omalkhair Abualkhair
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引用次数: 0

摘要

背景:Oncotype Dx用于预测雌激素受体(ER)阳性和人表皮生长因子受体2 (HER2)阴性浸润性乳腺癌(BC)患者的长期复发风险。本研究旨在建立临床病理参数与复发评分(RS)之间的相关性,从而提高可预测性,并最终证明多基因检测的使用是合理的。材料与方法:回顾性分析2012年至2019年114例女性BC患者进行Oncotype Dx检测的病理和临床资料。病理参数包括肿瘤细胞类型、肿瘤分级、病理分期和有丝分裂指数(MI)。免疫组化法检测ER、孕激素受体(PR)、HER2、Ki67的表达。单因素和多因素线性回归分析评估这些参数与RS之间的相关性。结果:单因素分析中,年龄(小于40岁)、较高肿瘤分级和低PR表达与较高RS显著相关(P = 0.02;˂措施;和˂。001年,分别)。MI和Ki67也与RS升高密切相关,P值为0.01 (Spearman相关系数分别为0.34和0.33)。在多变量线性回归分析中,年龄、心肌梗死和Ki67失去了其显著性,但随着肿瘤分期,较高的分级和PR仍然与较高的RS显著相关(P小于0.001;˂措施;和0.04)。结论:肿瘤分级和PR免疫组化表达是我们研究人群中RS的主要预测因素。在多变量分析中,其他临床病理特征不是RS变化的显著预测因子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Predictability of 21-Gene Recurrence Score Assay by Using Pathological and Immunohistochemical Parameters in Breast Cancer.

Background: Oncotype Dx is used to predict the long-term recurrence risk in patients with estrogen receptor (ER)-positive and human epidermal growth factor receptor 2 (HER2)-negative invasive breast cancer (BC). This study aimed at establishing a correlation between clinicopathological parameters and recurrence score (RS), subsequently improving predictability and ultimately justifying the use of the multigene assay.

Materials and methods: A retrospective analysis of the pathology and clinical data of 114 female patients with BC who had Oncotype Dx testing between 2012 and 2019. The pathological parameters included are tumor cell type, tumor grade, pathological stage, and mitotic index (MI). The expression of ER, progesterone receptor (PR), HER2, and Ki67 was assessed by immunohistochemistry. A univariate and multivariate linear regression analysis was performed to assess the correlation between these parameters and the RS.

Results: In univariate analysis, age (˂40 years), higher tumor grade, and low PR expression were significantly associated with higher RS (P = .02; ˂.001; and ˂.001, respectively). Both MI and Ki67 were also strongly correlated with an increase in the RS with a P value of .01 (Spearman correlation 0.34 and 0.33). In multivariate linear regression analysis, age, MI, and Ki67 lost their significance, but both higher grade and PR remained significantly associated with a higher RS along with the tumor stage (P ˂ .001; ˂.001; and .04, respectively).

Conclusions: Tumor grade and PR immunohistochemical expression are the main predictors of RS in our study population. Other clinicopathological features were not significant predictors of change in RS in multivariate analysis.

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来源期刊
CiteScore
5.10
自引率
3.40%
发文量
22
审稿时长
8 weeks
期刊介绍: Breast Cancer: Basic and Clinical Research is an international, open access, peer-reviewed, journal which considers manuscripts on all areas of breast cancer research and treatment. We welcome original research, short notes, case studies and review articles related to breast cancer-related research. Specific areas of interest include, but are not limited to, breast cancer sub types, pathobiology, metastasis, genetics and epigenetics, mammary gland biology, breast cancer models, prevention, detection, therapy and clinical interventions, and epidemiology and population genetics.
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