初级肺化清细胞癌:CT导向活检病例中的诊断挑战和病理特征
Lipan Wei1, Lan Wang2, Xiuqian Wu3
1Department of Pathology, Cancer Hospital of Shantou University Medical College, Shantou, China.
肺化透明细胞癌 (HCCC) 可以通过CT导向活检来诊断. 这种罕见的瘤表现出特定的免疫表型和遗传变异,有助于其与其他肺部瘤的差异化.
科学领域:
- 肺部病理学 肺部病理学
- 在瘤学瘤学.
- 诊断成像 诊断成像 诊断成像
背景情况:
- 初级肺化透明细胞癌 (HCCC) 是一种罕见的唾液腺类瘤.
- 大多数报告的病例都是从手术切除标本中诊断出来的.
研究的目的:
- 通过CT指导的皮肤透析活检诊断出一个肺HCCC病例.
- 讨论其临床病理学特征和诊断策略.
主要方法:
- 计算机断层扫描 (CT) 引导的穿皮活检.
- 显微镜检查和免疫组织化学染色 (CK,p63,Ki67,TTF-1,CgA,S100,Syn,Desmin,SMA,PD-L1) 进行.
- 在EWSR1重新排列时进行光现场杂交 (FISH).
主要成果:
- 通过CT指导活检诊断的肺部HCCC.
- 显微镜检测结果:在化层中具有透明细胞质的上皮状细胞.
- 免疫表型:CK+,p63+,Ki67 (1-5%),TTF-1-,CgA-,S100-,Syn-,Desmin-,SMA-,PD-L1-. 免疫表型:CK+,p63+,Ki67 (1-5%),TTF-1-, CgA-,S100-, Syn-, Desmin-, SMA-, PD-L1-. 免疫表型:CK+,p63+,Ki67 (1-5%),TTF-1-, CgA-, S100-, Syn-, Desmin-, SMA-, PD-L1-. 免疫表型:K1+,p63+,Ki67 (1-5%), Ki67 (1-5%), Ki67 (1-5%), Ki67 (1-5%), Ki67 (1-5%), Ki67 (1-5%), Ki67 (1-5%), Ki67 (1-5%), Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67, Ki67,
- 遗传发现:检测到EWSR1的重组.
结论:
- 肺部HCCC可以通过CT导向活检进行非手术诊断.
- 免疫表型和遗传变化 (EWSR1重组) 对于区分HCCC与其他肺瘤至关重要.
- 这种情况突出显示了肺HCCC与负PD-L1表达.
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