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机构地区:[1]北京大学肿瘤医院暨北京市肿瘤防治研究所病理科、恶性肿瘤发病机制及转化研究教育部重点实验室,100142 [2]福建省肿瘤医院病理科
出 处:《中华病理学杂志》2013年第5期321-324,共4页Chinese Journal of Pathology
基 金:北京市科技新星计划(2009BG-02)
摘 要:目的探讨微管相关蛋白-2(MAP-2)在肺小细胞癌中的诊断价值。方法应用免疫组织化学EnVision法检测240例2008至2011年间收集的肺小细胞癌中突触素、嗜铬粒素A(CgA)、CD56、MAP-2及甲状腺转录因子1(TTF-1)的表达。结果MAP-2在肺小细胞癌中的阳性率为95.8%(230/240),明显高于突触素、CgA及CD56的阳性率[分别是57.1%(137/240),38.8%(93/240),89.2%(214/240)]。其敏感性(99.1%)及准确性(95.4%)明显高于突触素(58.3%,42.5%)、CgA(39.9%.42.5%)及CD56(91.5%,87.9%)。结论MAP-2是敏感性及准确性高的神经内分泌标志抗体,值得在肺小细胞癌诊断中推广应用。Objective To investigate the diagnostic value of microtubule-associated protein-2 (MAP-2) in biopsy of small cell lung carcinoma ( SCLC ). Methods Immunohistochemical technique was applied to detect the expression of synaptophysin ( Syn), chromogranin A ( CgA), CD56, MAP-2 and TTF-1 in 240 cases of SCLC from 2008 to 2011 in this hospital. Results The positive rate of MAP-2 expression in SCLC was 95.8% (230/240) , which was much higher than that of Syn (57. 1% , 137/240), CgA (38.8% , 93/240) and CD56 (89.2% , 214/240). The sensitivity and accuracy of MAP-2 (99.1% , 95.4% ) expression were also higher than those of Syn (58.3% ,42. 5% ), CgA (39.9% ,42. 5% ) and CD56 (91.5% ,87.9% ). Conclusions MAP-2 is a new neuroendocrine marker with higher sensitivity and accuracy, and thus recommended to be added to the immunohistochemical panel for the diagnosis of SCLC.
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