一个NTRK融合体肉瘤病例与伪双相生长模式和文献审查
Xiao-Ying Zhang1,2, Han-Wen Jiang3, Xiao-Bo Wen4
1Department of Pathology, The Affiliated Panyu Central Hospital of Guangzhou Medical University.
概括
神经缩型氨酸激酶受体 (NTRK) 融合子宫瘤很少见,特别是在体内. 这项研究描述了一种类似腺瘤的新型病例,扩大了对这种罕见癌症及其诊断标志物的理解.
科学领域:
- 在瘤学瘤学.
- 病理学 病理学 病理学
- 遗传学 遗传学 是一个
背景情况:
- 神经缩型氨酸激酶受体 (NTRK) 融合子宫瘤非常罕见,仅限于宫病例.
- 此前,只有四例NTRK融合肉瘤在子宫体中被记录在案.
研究的目的:
- 描述一个具有腺癌类特征的NTRK融合体肉瘤的新型病例.
- 扩大对NTRK融合体肉瘤的形态谱,诊断标记物和临床行为的理解.
- 审查和分析现有病例,以提高诊断准确性和治疗策略.
主要方法:
- 详细的临床病理分析新发现的NTRK融合体肉瘤病例.
- 针对S-100,CD34和泛Trk进行免疫组织化学染色.
- 用DNA测序来识别基因融合 (TPR-NTRK1) 和突变 (AKT1(E17K)).
- 对四个之前报告的NTRK融合体肉瘤病例进行了全面的审查和分析.
主要成果:
- 报告的病例表现出类似腺癌的形态与多体生长,状状细胞增殖,陷入腺体,和伪双相模式.
- 免疫组织化学显示S-100,CD34和泛Trk.的联合表达.
- 分子测试证实了TPR-NTRK1基因融合和AKT1 (E17K) 突变.
- 对五例病例的分析揭示了透性生长模式和轻度至中度的细胞性异常,突出了与子宫腺癌的潜在错误分类.
结论:
- NTRK融合体肉瘤可以呈现类似腺癌的特征,需要仔细诊断.
- 准确的诊断依赖于泛Trk,S-100,CD34免疫组织化学和分子测试的组合.
- 区分这些瘤对于适当的治疗至关重要,因为晚期病例可能受益于TRK抑制剂治疗.
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