PMC5771918_01
A. Wright-Giemsa stained bone marrow aspirate showing multiple intracellular organisms within a histiocyte. B. Grocott methenamine stain highlights additional organisms on the core biopsy. C. Example of hemophagocytosis in bone marrow aspirate.
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A single histiocyte with oval-shaped organisms was seen on the aspirate smear (Fig. 1A). Grocott-methenamine silver stain performed on the bone marrow core demonstrated additional histiocytes containing multiple yeast forms exhibiting narrow-based budding (Fig. 1B). Rare hemophagocytes were noted (Fig. 1C).