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胃孤立性朗格汉斯细胞组织细胞增生症1例 被引量:3

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摘要 目的探讨胃孤立性朗格汉斯细胞组织细胞增生症(Langerhans cell histiocytosis,LCH)的组织形态和免疫表型及鉴别诊断。方法胃体大弯黏膜隆起性病灶活检组织石蜡包埋HE切片及免疫组化EnV ision两步法染色,进行形态学和免疫表型分析。结果胃体大弯黏膜隆起性病灶,胃壁固有层和黏膜下层可见单一、无特别组织结构的细胞聚集。细胞体积比较大,胞质淡红色;核椭圆形,高倍镜下核呈咖啡豆样,有一条纵向核沟,免疫组化标记CD1a、S-100均阳性;背景炎症反应明显,主要为中性粒细胞、小淋巴细胞、浆细胞及一些嗜伊红细胞。结论 LCH的诊断主要依赖形态学及免疫组化标记,胃孤立性LCH预后显著好于系统性病变。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2018年第9期1028-1029,共2页 Chinese Journal of Clinical and Experimental Pathology
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