FIG 5. Photomicrographs of chordoid glioma (Patient 5).

A, Hematoxylin and eosin stain of chordoid glioma reveals cords and clusters of eosinophilic epithelioid tumor cells (large arrows) dispersed within a slightly bluish mucinous matrix. A lymphoplasmacytic infiltrate is consistently present (small arrows).

B, Glial fibrillary acidic protein stain of chordoid glioma tumor cells shows strong, diffuse, cytoplasmic immunoreactivity.