HER2的免疫组织化学诊断和ASCO/CAP指南中的几个问题

被引:6
作者
David GHicks [1 ]
唐平 [2 ]
魏兵 [3 ]
步宏 [3 ]
机构
[1] Pathology and Laboratory Medicine, Surgical Pathology Unit, University of Rochester Medical Center
[2] Department of Pathology, University of Rochester Medical Center
[3] 四川大学华西医院病理科
关键词
D O I
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中图分类号
R686 [筋腱、韧带、滑囊疾病及损伤];
学科分类号
1002 ; 100210 ;
摘要
<正> HER2基因在15%~20%的乳腺癌扩增到正常的2~20倍,导致HER2蛋白在肿瘤细胞膜上的表达大量增加。这使HER2成为理想的靶向治疗靶点。曲妥珠单抗(商品名为赫塞汀)是一个针对HER2的单克隆抗体,它对HER2阳性的乳腺癌具有明显的抗癌效应,特别是当它与其他细胞毒性抗癌药物联用时,能减少早期HER2阳性乳腺癌的复发率至50%。临床试验显示曲妥珠单抗只对HER2蛋白过度表达和(或)基因扩增的患者有效。因此,准确地
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