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[在形大细胞淋巴瘤中异常的TF1表达]

V A Khorzhevskii¹, S V Gappoev¹, Y S Kanin²

¹Krasnoyarsk State Regional Bureau of Pathology, Krasnoyarsk, Russia.

Arkhiv patologii

|October 27, 2025

概括

甲状腺转录因子1 (TTF1) 异常表达在10.6%的形大细胞淋巴瘤病例中被发现. 这一发现对于准确的淋巴瘤诊断至关重要,防止误解为转移性疾病.

科学领域:

在瘤学瘤学.
病理学病理学病理学
免疫组织化学免疫组织化学

背景情况:

甲状腺转录因子1 (TTF1) 是甲状腺和肺癌的标准标记物.
在各种淋巴瘤中报告了异常的TTF1表达,但在此之前在形大细胞淋巴瘤 (ALCL) 中没有报告.
ALCL的形态可以模仿转移性疾病,强调需要精确的诊断标记.

研究的目的:

调查ALCL中异常TF1表达的频率.
确定ALCL中TTF1表达是否可能导致诊断混与转移性瘤.

主要方法:

使用免疫组织化学分析47例ALCL病例.
使用两个平台 (Ventana BenchMark ULTRA,BondMAX) 和两个克隆 (SP141,SPT24) 评估TTF1表达.
使用双色色色标签技术.

主要成果:

在47例ALCL病例中的5例 (10.6%) 检测到TTF1表达.
瘤细胞的表达水平从15%到100%不等.
在SP141和SPT24克隆中观察到异常的TF1表达.

结论:

这项研究是第一个报告ALCL异常TF1表达的研究.
在ALCL中存在TTF1可能导致误诊为转移性癌瘤.
病理学家应该考虑这种异常表达,以避免ALCL病例的诊断错误.

关键词:

TTF1 的意思是TF1.异常表达方式异常表达方式形性大细胞淋巴瘤

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