Case Reports in Medicine / 2009 / Article / Fig 4

Case Report

Solitary Fibrous Tumor Arising from the Sphenoid Sinus

Figure 4

Histopathological features of the tumor. (a) the spindle cells are arranged in a patternless fashion in the collagenous matrix on hematoxylin-eosin staining (×200). (b) the vast majority of the tumor cells were stained diffusely and strongly for CD34 (×400). (c) cytoplasm in the numerous tumor cells expressed the Bcl-2 (×400).

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