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局限性肠腔内生性腹膜恶性间皮瘤1例并临床病理观察 被引量:2

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摘要 目的探讨局限性肠腔内生性腹膜恶性间皮瘤的临床病理学特点、免疫表型、诊断及鉴别诊断。方法对1例局限性肠腔内生性腹膜恶性间皮瘤的临床资料、组织学特征、免疫表型进行分析,并复习相关文献。结果腹部B超及CT示降结肠区占位性病变,考虑肠道来源可能性大。术中见肿物位于降结肠与乙状结肠交界处,内生性。镜下示肿物主要位于浆膜层,部分区域侵及肌层、黏膜下层及黏膜层;肿瘤细胞呈上皮样型及肉瘤样型双相分化,形态复杂、多样。免疫表型:上皮样型细胞CK5/6呈阳性,vimentin只在印戒样细胞区和乳头样区表达,D2-40呈灶阳性;肉瘤样型细胞CK5/6阴性、vimentin弱阳性;两种类型细胞共表达CK(AE1/AE3)、WT-1、Calretinin;两种类型细胞均不表达HBME-1、CD34、Ber-EP4、DOG1、CEA、CD117、desmin、SMA。AB-PAS特殊染色阴性。结论局限性肠腔内生性腹膜恶性间皮瘤临床罕见,易误诊,诊断主要依靠病理形态及免疫表型,且需与腹腔原发或转移性的其他肿瘤鉴别。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2016年第5期578-580,共3页 Chinese Journal of Clinical and Experimental Pathology
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参考文献12

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