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肝脏上皮样血管平滑肌脂肪瘤的临床病理特点 被引量:4

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摘要 目的:探讨肝脏上皮样血管平滑肌脂肪瘤(hepatic epitheliod angiomyolipoma,HEAML)的临床病理学特点、免疫表型、诊断和鉴别诊断。方法:对5例HEAML进行组织学观察及免疫组织化学检测。结果:5例HEAML均为女性,中位年龄44.2岁,3例位于肝左叶,2例位于肝右叶,肿瘤大小2~12cm。患者无明显临床症状。镜下见肿瘤主要由上皮样细胞构成,弥漫、梁索状或器官样排列,细胞形态呈不同程度的异型性,胞质丰富,嗜酸或透明状,并可见多核或奇异形核细胞。免疫组化示HMB45、Melan-A、Actin和S-100均有阳性表达。结论:肝脏的上皮样平滑肌脂肪瘤是一种恶性潜能未定的肿瘤,其形态学表现较为多样,应与肝脏的其他肿瘤相鉴别,免疫组化对鉴别具有重要意义。
出处 《实用医学杂志》 CAS 北大核心 2011年第16期3006-3008,共3页 The Journal of Practical Medicine
基金 广东省自然科学基金资助项目(编号:9151008901000117)
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