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类风湿结节(低倍镜)

类风湿结节,见于严重的类风湿关节炎,出现于骨隆凸上的皮下如肘之上,偶见于内脏器官。结节中央为纤维素样坏死物,四周围绕着上皮样细胞与其它单核细胞。

类风湿关节炎:手畸形 肘结节(肉眼) 结节(低倍镜) 滑膜炎血管翳(低倍镜)

Here is a rheumatoid nodule. Such nodules are seen in patients with severe rheumatoid arthritis and appear beneath the skin over bony prominences such as the elbow. They can occasionally appear in visceral organs. There is a central area of fibrinoid necrosis surrounded by pallisading epithelioid macrophages and other mononuclear cells.


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