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DOI: 10.3971/j.issn.1000-8578.2019.18.0482
Keywords: A Predictor of Risk and Prognosis of Breast Cancer,Tanshinone ⅡA Enhances Chemosensitivity of Breast Cancer Cells to Doxorubicin and Related Mechanism,Apatinib Suppresses Proliferation and Induced Apoptosis of Human Breast Cancer Cell Line MDA-MB-231 Through Glycolytic Inhibition,Progress of Whole Exon Sequencing in Pathogenesis and Diagnosis of Breast Cancer,Feedback Activation of STAT3 Confers Resistance of HER2-positive Breast Cancer Cells to Lapatinib,Influence of NRP-1 Monoclonal Antibody on Growth of Breast Cancer Xenografts in Nude Mouse,Expression of Circular RNA ciRS-7 and Its Effect on Invasion and Migration of Triplenegative reast Cancer Cells,Breast Metastasis of Primary Pulmonary Adenocarcinoma: A Report of Two Cases and Literature Review
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摘要 目的 比较2013版及2018版美国临床肿瘤学会/美国病理医师学院(ASCO/CAP)乳腺癌HER2检测指南,对免疫组织化学HER2不确定(2+)乳腺癌FISH判读结果的影响及其临床意义。通过与FISH对比,分析DISH的准确性及存在问题。方法 选取568例免疫组织化学HER2不确定浸润性乳腺癌石蜡包埋标本,使用FISH技术进行HER2基因状态检测,分别采用2013及2018版ASCO/CAP乳腺癌HER2检测指南进行结果判读。随机选取60例样本进行DISH检测,并与FISH对比分析。结果 依据2013版指南,HER2阳性183例(32.22%)、阴性365例(64.26%)、不确定20例(3.52%)。采用新指南判读标准,HER2阳性率减少了4.58%,阴性率无差别,两种判读标准差异具有统计学意义(P<0.01)。对60例肿瘤样本的FISH和DISH检测结果比较,两者总符合率为95.0%,阳性符合率为94.7%;阴性符合率为100%,两种方法的检测结果显著相关(r=0.636, P<0.01)。结论 2018版ASCO/CAP HER2检测指南与2013版相比,判读标准更明确、分类更精细,对临床用药更具指导作用。DISH 技术具有亮视野的优点,与FISH有同样的临床诊断价值
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