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ARCH PATHOL LAB MED:血淋巴样肿瘤很少表现为软组织的未分化多形性肉瘤

2020-11-30 MedSci原创 MedSci原创

软组织未分化多形性肉瘤(UPS)是一种分化不明显的肉瘤。在过去的几十年中,辅助研究的进展和对先前UPS诊断的回顾,通过排除更具体的恶性肿瘤,缩小了UPS的类别。

软组织未分化多形性肉瘤(UPS)是一种分化不明显的肉瘤。在过去的几十年中,辅助研究的进展和对先前UPS诊断的回顾,通过排除更具体的恶性肿瘤,缩小了UPS的类别。但是,这些研究很少有针对多形性血淋巴肿瘤的。本研究的目的是探讨间变性大细胞淋巴瘤、弥漫性大B细胞淋巴瘤、组织细胞肉瘤、髓系肉瘤和滤泡性树突状细胞肉瘤等多形性血淋巴肿瘤的误诊比例。

对61例UPS患者进行组织芯片和免疫组化筛查,并对可疑病例进行全区切片分析。5例候选HS病例仅局部阳性,最多染色1例,多数染色在较小的、非多形性的细胞中。最终,UPS不符合间变性大细胞淋巴瘤、弥漫性大b细胞淋巴瘤、髓样肉瘤、滤泡树突状细胞肉瘤或HS的标准。

研究结果表明,躯体软组织的UPS不太可能代表错误分类的造血系统恶性肿瘤。排除HS是最具挑战性的,但是在这种情况下,对PU.1(一种核转录因子)的免疫染色可能更容易解释。

原始出处:

John Cannatella, MDKarthik Ganapathi, MD, PhDHematolymphoid Neoplasms Rarely Mimic Undifferentiated Pleomorphic Sarcoma of Soft Tissue

 

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    2020-12-20 yb6560
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    2020-12-02 qilu_qi
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    2020-12-01 尹乔

    来学习

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