孤立性纤维性肿瘤(solitary fibrous tumor,SFT)是一种少见的间叶性肿瘤,可发生于身体的各个部位。该肿瘤可能是成纤维细胞类型,有一个显著的特征,即具有血管瘤样的分支状血管。形态学上,胸膜外SFT与血管外皮瘤非常类似~([1])。眼眶是该肿瘤胸膜外发病较少见的部位之一,本文分析2例眼 Solitary fibrous tumor (SFT) is a rare mesenchymal tumor that can occur in various parts of the body. The tumor may be of the fibroblast type, with the salient feature of having angioid-like branched vessels. Morphologically, extrathoracic SFT is very similar to hemangiopericytoma ([1]). Orbital is one of the less common parts of the tumor that develops outside the pleura, this article analyzes 2 cases of eyes