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Spindle Cell Lipoma With Predominant Nerve Sheath Tumor-Like Areas A Potential Diagnostic Pitfall on Aspiration Cytology

机译:具有主要神经鞘瘤样区域的纺锤状细胞脂肪瘤对抽吸细胞学的潜在诊断缺陷

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摘要

Spindle cell lipoma (SCL) is an uncommon variant of lipoma that usually is present in subcutaneous fat of adult men. This tumor has a low rate of local recurrence and no risk of malignant behavior. Although histological features of SCL are well documented, cytological descriptions have been few. We present the case of a 41-year man with a right arm swelling, which on fine-needle aspiration cytology showed adipose tissue fragments, spindle cell areas mimicking benign nerve sheath tumor, and bundles of ropy collagen in a myxoid background, suggesting a diagnosis of SCL. SCL with predominant spindle cell component may mimic benign nerve sheath tumor on aspiration cytology. Subtle cytological features like presence of adipose tissue, ropy collagen, and mast cells help in accurate diagnosis. Diagn. Cytopathol. 2015;43:1017-1019. (c) 2015 Wiley Periodicals, Inc.
机译:纺锤体细胞脂肪瘤(SCL)是脂肪瘤的罕见变体,通常存在于成年男性的皮下脂肪中。该肿瘤局部复发率低,无恶性行为风险。尽管SCL的组织学特征已得到充分证明,但细胞学描述却很少。我们介绍了一个右臂肿胀的41岁男子的病例,该病例在细针穿刺细胞学检查中显示出脂肪组织碎片,模拟良性神经鞘瘤的纺锤体细胞区域以及粘液状背景中的胶原蛋白成束,提示诊断SCL。具有主要梭形细胞成分的SCL可以在抽吸细胞学上模拟良性神经鞘瘤。诸如脂肪组织,胶原蛋白和肥大细胞的存在等细微的细胞学特征有助于准确诊断。诊断细胞病。 2015; 43:1017-1019。 (c)2015年威利期刊有限公司

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