[Intra-abdominal EWSR1/FUS-CREM rearranged malignant epithelioid neoplasms: report of a case]

Zhonghua Bing Li Xue Za Zhi. 2024 Mar 8;53(3):299-302. doi: 10.3760/cma.j.cn112151-20231023-00286.
[Article in Chinese]

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。.

Publication types

  • Case Reports

MeSH terms

  • Cyclic AMP Response Element Modulator
  • Humans
  • Neoplasms*
  • RNA-Binding Protein EWS / genetics
  • RNA-Binding Protein FUS

Substances

  • CREM protein, human
  • Cyclic AMP Response Element Modulator
  • EWSR1 protein, human
  • RNA-Binding Protein EWS
  • FUS protein, human
  • RNA-Binding Protein FUS