不寻常 (和通常) 位置的结节性带炎:从一个具有挑战性的诊断中吸取的经验教训
Federico Fusco1, Maria Walker1, Nicole Pfarr1
1Institute of Pathology, TUM School of Medicine and Health, Munich, Germany.
Pathology
|February 22, 2026
概括
结节性带炎是一种良性瘤,经常模仿肉瘤. 分子测试,包括下一代测序 (NGS),对于诊断具有挑战性的病例和识别罕见的USP6融合至关重要.
科学领域:
- 在瘤学瘤学.
- 病理学 病理学 病理学
- 分子诊断学 分子诊断
背景情况:
- 结节性带炎是一种快速生长的良性肌纤维细胞瘤.
- 它经常带来诊断挑战,因为它有可能模仿肉瘤.
- 许多病例具有非特异性特征或令人担忧的组织学,使初始诊断复杂化.
研究的目的:
- 提供诊断上具有挑战性的结节性带炎病例的综合临床病理学和分子概述.
- 强调在介质细胞瘤的差异诊断中考虑结节性带炎的重要性.
- 要突出先进的分子技术在确认诊断中的作用.
主要方法:
- 在9年内对29例结节性带炎病例进行了回顾性分析.
- 对所有病例进行组织病理学检查.
- 光在位杂交 (FISH) 和下一代测序 (NGS) 用于分子确认,重点是USP6重组.
主要成果:
- 在29例中,有19例 (65.5%) 呈现出非特异性特征或涉及组织学.
- 在所有19个非特定情况下通过FISH和/或NGS确认了USP6的重新安排.
- 国家统计局确定了三个罕见的USP6融合伙伴 (MIR22HG,CTNNB1,SRSF3) 并解决了模两可的FISH结果.
结论:
- 结节性带炎需要高度的怀疑指数,特别是在具有挑战性的陈述中.
- 像FISH和NGS这样的分子技术对于准确诊断至关重要,特别是在异常特征的病例中.
- 这项研究增强了对USP6相关瘤的理解,并帮助病理学家诊断结节性带炎.
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