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骨化螺纹和上皮质瘤:一种新的软组织瘤

John M Gross¹, Ying S Zou¹, Michael Michal²

¹Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland.

Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc

|July 18, 2025

概括

一种新的良性软组织瘤,骨化状和上皮状瘤,被鉴定为具有独特的骨和肌肉细胞. 基因分析揭示了一种新的SRSF7::NFATC3融合,将其与其他瘤区分开来.

科学领域:

病理学病理学病理学
在瘤学瘤学.
遗传学遗传学是一个

背景情况:

软组织瘤是一个诊断挑战.
独特的临床放射学和病理学特征可以表明新的实体.

研究的目的:

描述一种具有明显临床放射学,病理学和分子特征的新型软组织瘤.
为了确定这个新实体的遗传基础.

主要方法:

临床放射学,组织病理学,免疫组织化学和分子分析 (RNA测序,FISH,甲基化分析).
对12名患有这种独特瘤的患者队列的分析.

主要成果:

瘤被称为"骨化状和上皮状瘤",表现出外围骨,由质素阳性肌肉细胞组成.
通过全转录组测序分析的8种瘤中的4种中确定了复发的SRSF7::NFATC3融合.
所有病例都表现出良性行为,在初级切除后没有复发.

结论:

骨化状和上皮状瘤是一种独特的新型软组织瘤,具有特征性的骨和特定的分子发现.
SRSF7::NFATC3融合是一个潜在的诊断标记.
这种良性实体必须与侵袭性瘤区分开来.

关键词:

在 SRSF7::NFATC3 中.骨髓炎骨质炎骨质炎骨质炎骨化纤维肌状瘤瘤.骨化螺纹和上皮状瘤.放射学放射学是指放射学软组织瘤是软组织瘤.

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