Abstract
腹腔内伴EWSR1/FUS-CREM重排恶性上皮样肿瘤是新近发现、分化不明的恶性肿瘤,形态学及免疫表型显示上皮分化,具有恶性潜能及转移倾向。本文报道1例多次复发伴肺转移的病例。镜下肿瘤界限尚清,有纤维性假包膜,肿瘤周边及细胞巢间隔见较多炎性细胞浸润,肿瘤细胞呈上皮样、多边形,胞质丰富,呈嗜酸性,核呈圆形或卵圆形,可见小核仁。肿瘤细胞上皮细胞膜抗原弥漫强阳性,广谱细胞角蛋白局灶强阳性,波形蛋白、WT1、突触素、Calretinin等阴性。分子检测示EWSR1-ATF1融合。.
MeSH terms
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Cyclic AMP Response Element Modulator
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Humans
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Neoplasms*
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RNA-Binding Protein EWS / genetics
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RNA-Binding Protein FUS
Substances
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CREM protein, human
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Cyclic AMP Response Element Modulator
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EWSR1 protein, human
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RNA-Binding Protein EWS
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FUS protein, human
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RNA-Binding Protein FUS