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胃肠道间质肿瘤28例临床病理分析 被引量:1

Clinical-pathological analysis of 28 cases of gastrointestinal stromal tumor
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摘要 目的探讨胃肠道间质肿瘤(G IST)的临床、病理特征,减少误诊。方法光镜观察28例G IST,采用免疫组化S-P法检测CD117、CD34、SMA及S-100在G IST中的表达情况。结果大多数G IST显示梭形细胞形态,少数G IST显示上皮细胞形态或两者混合形态,在G IST中CD117阳性率为78.57%,CD34阳性率为46.43%。结论G IST缺乏定向分化,CD117和CD34联合检测可协助与其他胃肠道间叶源性肿瘤鉴别;在G IST良、恶性判断上需结合肿瘤的大体、组织学形态观察以及生物学行为综合考虑。
出处 《实用医院临床杂志》 2007年第1期68-69,共2页 Practical Journal of Clinical Medicine
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