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. 2022 Jan 31;13:824967. doi: 10.3389/fmicb.2022.824967

FIGURE 1.

FIGURE 1

(A) Hematoxylin and eosin. Diffuse alveolar damage (DAD), exudative phase with hyaline membranes formation. Scale bar: 100 μm. (B) Hematoxylin and eosin. DAD, organizing phase. Scale bar: 100 μm. (C) Hematoxylin and eosin. DAD, fibrotic phase. Scale bar: 100 μm. (D) Hematoxylin and eosin. Numerous filamentous fungi are seen in the lung. Scale bar: 100 μm. Inset: Periodic acid–Schiff staining, highlighting the fungi. (E) Hematoxylin and eosin. Filamentous fungi invading the arteriolar wall in angioinvasive aspergillosis. Septate hyphae with dichotomous branching at acute angles of around 45° are apparent. Scale bar: 100 μm. (F) Hematoxylin and eosin. Endothelial pulmonary cells with viral cytopathic changes. Scale bar: 100 μm. Inset: Immunohistochemistry for cytomegalovirus, showing positive staining.