• Courtesy of Steffen Heegaard, MD.
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    Ocular Pathology/Oncology

    Infectious uveitis, with the infectious organisms demonstrated with special stains. A, Gram-positive bacilli seen on Gram stain. B, Filamentous fungi seen with Gomori methenamine silver (GMS) stain. C, Filamentous fungi on periodic acid–Schiff (PAS) stain.