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胃肠道间质瘤64例临床病理及免疫组化分析

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摘要 目的探讨胃肠道间质瘤(GIST)的病理组织形态学和免疫组织化学特点及良、恶性肿瘤参考指标。方法手术切除后,测量肿瘤直径,观察有无出血、坏死,取材,若有肿大淋巴结也取材检查。标本均经10%的中性福尔马林固定。常规脱水石蜡包埋4mm切片,HE染色,免疫组化S-P二步法染色,分别行CD117、CD34、DOGl、SMA、S-100、Vimentin、Desmin、CK(AE1/AE3)免疫标记。结果恶性27例,交界性15例,良性22例。CD117阳性56例,占87.5%;Vimentin阳性56例,占87.5%;CD34阳性49例,占76.6%;DOG1阳性52例,占81.3%;SMA阳性26例,占40.6%;Desmin阳性10例,占15.6%;S-100阳性3例,占4.7%;CK阳性0例。结论 GIST临床表现无特异性,CD117和DOG1联合可提高GIST的诊断率,良、恶性肿瘤诊断需综合考虑病理组织形态学和免疫组化结果。
作者 殷凯 党胜春
出处 《中国药物经济学》 2013年第S3期114-116,共3页 China Journal of Pharmaceutical Economics
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