Epithelioid ependymomas

These latter differentiations are facilitated if one recalls that even epithelioid ependymomas frequently stain with anti-GFAP, have distinctive ultrastructure, and often contain at least a few cells with fibrillar processes (Fig. 20.19 see Boxes 20.1 and 20.2). The anti-GFAP stain highlights these fibrillar processes, greatly... 

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