在中和中类腺癌中纳普辛-A表达:与清细胞癌区分的含义
Jelena Mirkovic1,2, Ekaterina Olkhov-Mitsel2, Sharon Nofech-Mozes1,2
1Department of Laboratory Medicine and Pathobiology, University of Toronto.
概括
纳普辛-A被表达为一个显著的部分中类腺癌 (MLA) 和中类腺癌 (MA). 这一发现可能导致错误地将其归类为清细胞癌 (CCC),强调需要仔细的病理评估.
科学领域:
- 妇科病理学的病理学.
- 免疫组织化学 免疫组织化学
- 新生体的分类新生体的分类.
背景情况:
- 中腺癌 (MA) 和中类似腺癌 (MLA) 是罕见的妇科瘤.
- 这些瘤可以在形态上模仿清细胞癌 (CCC),这给诊断带来了挑战.
- 纳普辛-A是CCC的特定标记物,但其在MA/MLA中的表达尚未确立.
研究的目的:
- 为了调查NAPSIN-A在MA和MLA中的表达.
- 为了确定纳普辛-A在区分MA/MLA与CCC中的实用性.
- 为了确定妇科瘤分类中的潜在诊断陷.
主要方法:
- 在整片组织切片上对Napsin-A免疫组织化学进行了回顾性分析.
- 包括32个卵巢,子宫内膜,腹壁和西格形MLA,13个宫MLA和4个中/中类癌类瘤.
- 纳普辛-A染色强度的评估和阳性病例的百分比.
主要成果:
- 纳普辛-A在48例MA/MLA和中膜样癌瘤病例中的17例 (35.4%) 中呈阳性.
- 在40.6%的MLA,15.4%的MA和66.7%的中膜样癌瘤中观察到阳性染色.
- 焦点颗粒细胞质表达范围在1%至40%之间.
结论:
- 纳普辛-A在MA和MLA的显著子集中表达,可能导致误诊为CCC.
- 形态和免疫组织化学重叠需要在诊断时保持谨慎.
- 病理学家应该使用一个标记面板,而不仅仅是Napsin-A,以准确地分类这些罕见的瘤.
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