粘液样炎性成纤维细胞肉瘤？讨论病例【91360.软组织199】

刘伟

一公里生命
病例分享第七十五例
What’s your Dx of this soft tissue mass?

What is the most common anatomic location of this entity?


李海
(acral) MIFS

草原
粘液样炎性成纤维细胞肉瘤，好发于肢端

一公里生命
Myxoinflammatory fibroblastic sarcoma.
Most common location: Distal extremities.
Histo: Lobular tumor with myxoid stroma and discohesive sheets of neoplastic spindled and epithelioid cells, some with R-S-like morphology, w/ pockets of mixed inflammatory cells


一公里生命
Myxoinflammatory fibroblastic sarcoma (MIFS): IHC plays very limited role in Dx with no specific markers.

一公里生命
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注：病例来自网络，版权归原作者仅供学习