胃肠肿瘤；间皮瘤；病理形态学；免疫组织化学；诊断

胃肠道间质瘤45例临床病理分析

http://www.100md.com 《第四军医大学学报》 2006年第14期

胃肠肿瘤；间皮瘤；病理形态学；免疫组织化学；诊断,鉴别,,胃肠肿瘤；间皮瘤；病理形态学；免疫组织化学；诊断，鉴别,【摘要】,【关键词】,1材料和方法,2结果,3讨

     ZHANG RunQi1, JIANG FengLiang1, YAN AiLi1, LI ZhengWei2, SONG FuHe2, WU GengLi1

    1Department of Pathology, Xian Medical College, 2Department of Pathology, Shaanxi Friendship Hospital, Xian 710068, China

    【Abstract】 AIM: To explore the clinicopathology of gastrointestinal stromal tumor(GIST)and its immunohistochemical features. METHODS: Observation and contrast analysis were made after the routine check and immunohistochemical staining in 45 GIST cases. RESULTS: GIST cells were more abundant than the typical leiomyoma cells and presented spindleshaped or epithelioid, or a coexistence of spindleshaped or epithelioid cells; in cytoplasm, the acidophilia decreased, and vacuoles were found arranged like intertexture, widespread lamellar, palisade or wheel radiation；typical cell nesting was formed；stroma or vessel wall showed a hyaline degeneration. CONCLUSION: GIST possesses unique histomorphological characteristics and the combination of CD117 and CD34 was helpful to differential diagnosis. ......

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