模拟浸润性恶性软组织肿瘤的皮下结节病：两例报告和文献综述

JOS Case Reports Pub Date : 2023-09-01 DOI:10.1016/j.joscr.2023.06.001

Yoshihiro Araki , Tomonori Misaki , Yasuhiro Ueda , Naoyuki Matsumoto , Sho Onishi , Satoru Kato

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引用次数: 0

摘要

背景皮下结节病是一种极其罕见的炎症性疾病，其影像学特征尚不清楚。病例介绍：一位72岁的女性左上肢有一个弹性硬结节，这个结节正在逐渐生长，已经存在了几年。皮下结节在T1和T2磁共振（MR）图像上都显示出等强度信号。观察到肱三头肌筋膜的扩展增强。一个月前，一名68岁的男子发现右大腿上有一个硬结节，并伴有压痛。皮下结节在T1和T2-MR图像上均显示出等强度信号，并随着周围软组织的增强而增强，直至股四头肌筋膜。活检显示诊断为结节病。结论当影像学表现为浸润性软组织结节时，应注意皮下结节病。

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Subcutaneous sarcoidosis mimicking an infiltrative malignant soft-tissue tumor: Two case reports and a literature review

Background

Subcutaneous sarcoidosis is an extremely rare inflammatory disease, and the imaging characteristics are unknown.

Case presentation

A 72-year-old woman had an elastic hard nodule, which was gradually growing, on her left upper extremity that had been present for several years. The subcutaneous nodule showed an iso-intense signal on both T1-and T2-Magnetic resonance (MR) images. Extended enhancement to the triceps fascia was observed. A 68-year-old man noticed a hard nodule on his right thigh with tenderness one month previously. The subcutaneous nodule showed an iso-intense signal on both T1-and T2-MR images, and was enhanced with the surrounding soft-tissues, to the quadriceps fascia. Biopsy revealed a diagnosis of sarcoidosis.

Conclusions

Subcutaneous sarcoidosis should be kept in mind when imaging shows an infiltrative soft-tissue nodule.

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JOS Case Reports

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