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胃Gardner纤维瘤2例并文献复习

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摘要 目的探讨胃Gardner纤维瘤(Gardner fibroma,GF)的临床病理学特点、免疫表型及鉴别诊断。方法回顾性分析2例胃GF的临床表现、胃镜特点、组织学形态及免疫表型特征,并复习相关文献。结果 2例患者年龄分别为35岁和51岁,主要以胃部不适就诊。胃镜示胃体和胃底部黏膜隆起性病变,直径0. 6~1. 5 cm,隆起处黏膜皱襞中断,色泽正常,表面光滑。内镜下黏膜剥离术切除肿块。眼观:肿瘤呈结节状,边界欠清,切面灰白色,实性,质韧。镜检:细胞成分稀少,由排列紊乱的粗大胶原纤维束和散在纤维母细胞构成。免疫表型:CD34 1例弥漫阳性,1例阴性;β-catenin和Cyclin D1胞质阳性,C-myc胞核强阳性; CD117、CD99、DOG1、SMA、desmin、ER、PR和S-100均阴性。结论 GF是一种少见的良性软组织肿瘤。诊断主要依靠病理学检查和免疫组化标记,需与平滑肌瘤、胃肠间质瘤、纤维组织瘤样增生、神经鞘瘤等梭形细胞病变相鉴别。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2019年第2期222-224,共3页 Chinese Journal of Clinical and Experimental Pathology
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