PMC6732593_01
Photomicrograph of the pleural fluid cell block shows Aspergillus fumigatus, identified by histochemical staining. The acute angle of the branching hyphae (black) is distinctive (Gomori methenamine silver (GMS)). Magnification x200.
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fig1
Two weeks following hospital admission, fungal cultures from the pleural fluid, as well as from decorticated lung tissue, identified Aspergillus fumigatus (Figure 1).