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类似非脂质淋巴瘤的粘性皮质性癌症:一个罕见的病例报告

Julin Liu^1,2, Yan Ma³, Jiling Zeng³

¹Histo Pathology Diagnostic Center, Shanghai, China.

International journal of surgical pathology

|December 12, 2025

概括

这项研究详细介绍了一种罕见的非脂质淋巴腺瘤类粘膜皮质癌 (NSLA类MEC) 在腺中. 对CRTC1::MAML2融合的分子测试对于诊断这种具有挑战性的瘤至关重要.

科学领域:

病理学病理学病理学
在瘤学瘤学.
头部和部手术头部和部手术

背景情况:

非性淋巴腺瘤类粘膜皮质癌 (NSLA类MEC) 是一种极为罕见的粘膜皮质癌变体.
区分NSLA类MEC与非小血淋巴瘤 (NSLA) 存在诊断困难.

研究的目的:

在腺中呈现一种NSLA类MEC病例.
突出诊断挑战和分子测试在分类这些瘤的重要性.

主要方法:

脊髓瘤瘤的组织病理学检查.
对P63,S100,SMA和质素进行免疫组织化学染色 7.
用于素检测的粘甲胺染色.
用于CRTC1::MAML2融合分析的现场光混合化 (FISH).

主要成果:

瘤表现出瘤上皮细胞在一个淋巴状层与生殖中心的淋巴状层.
免疫组织化学显示了外部基体和内部立方体细胞的特定染色模式.
在78%的瘤细胞中,FISH分析证实了CRTC1::MAML2融合,证实了MEC诊断.
形态特征包括复杂的腺体结构和微妙的细胞异型.

结论:

类似于NSLA的MEC需要仔细的形态评估和分子确认.
CRTC1::MAML2融合分析对于MEC的准确诊断至关重要,特别是在富含淋巴细胞的病变中.
早期和准确的诊断对于适当的患者管理至关重要.

关键词:

CRTC1::MAML2 融合基因基因分子病理学分子病理学粘膜表皮细胞癌癌.非血性淋巴腺瘤 (nonsebaceous lymphadenoma) 是一种非血性淋巴瘤.唾液腺唾液腺是一种

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