Fungal chorioretinitis. A, Vitreous, retinal, and choroidal infiltrate in a patient with fungal chorioretinitis. B, Granulomatous infiltration surrounding central area of necrosis (asterisk). Note multinucleated giant cells (arrows) (H&E stain). C, Grocott-Gomori methenamine–silver nitrate stain of section parallel to that shown in part B demonstrates numerous fungal hyphae (black staining).