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β-catenin在纤维瘤病诊断及鉴别诊断中的作用 被引量:11

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摘要 目的探讨β-catenin在纤维瘤病诊断及鉴别诊断中的作用。方法对54例纤维瘤病及形态学相似的梭形细胞肿瘤23例存档病例进行临床病理学特征分析,采用免疫组化EnVision两步法检测β-catenin及CD34的表达水平。结果 46例纤维瘤病发生于四肢,4例发生于腹壁及肠系膜,4例发生于颈部。其中男性16例,女性38例。发病年龄8~70岁,平均29.6岁。肿瘤最大直径1~23 cm。肿瘤细胞常呈束状排列,部分区域细胞丰富,部分区域细胞稀疏,间质中常可见胶原纤维,部分区域可见玻璃样变,局灶可见出血囊性变。细胞轻度异型,未见明确核分裂象及坏死。免疫组化结果示纤维瘤病β-catenin的阳性率为96.3%,其中轻度和中-重度阳性分别占18.5%和77.8%;肿瘤细胞CD34均呈阴性。其它23例梭形细胞肿瘤中,β-catenin的阳性率为17.4%,明显低于纤维瘤病(P<0.05)。阳性肿瘤主要包括孤立性纤维性肿瘤,呈细胞核阳性;皮肤隆突性纤维肉瘤,呈弥漫胞质阳性。结论β-catenin在纤维瘤病中阳性率比较高,主要为核阳性,也可表达于其它梭形细胞肿瘤,细胞核和细胞质均可阳性。联合检测β-catenin和CD34可辅助诊断纤维瘤病。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2013年第4期438-440,共3页 Chinese Journal of Clinical and Experimental Pathology
基金 北京大学人民医院院内基金(RDC2011-01)
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参考文献7

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共引文献28

同被引文献44

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