PMC8326746_01
Computed tomography angiogram of chest. Large posterior right lower lobe heterogeneous lesion with several foci of gas. Other bilateral pulmonary masses are also noted.
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PMC8326746_01_gr1.jpg
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Enlarged subcarinal and left lower paratracheal lymph nodes" (Fig. 1).
Hematoxylin and Eosin staining of the lung biopsy specimen shows necrotic and hemorrhagic respiratory tissues with reactive stroma and mixed inflammatory infiltrates (A and B). Grocott-Gomori Methenamine Silver stain of the lung biopsy specimen highlight oval to round fungal elements likely represent the yeast form within the necrotic tissue (C and D).
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The cytomorphology of these organisms is consistent with Pneumocystis jirovecii" (Fig. 2).