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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Extrapulmonary Pneumocystis jirovecii infection in an advanced HIV-infected patient: A case report and literature review

Fig. 2

Histopathologic examination with hematoxylin-eosin (H&E) staining of right paravertebral mass revealed granulomatous inflammation consisting of dense aggregates of epithelioid cells and foamy macrophages mixed with some lymphocytes, plasma cells, few eosinophils, and fibroblastic proliferation. Scattered foci of pink foamy to granular materials can be observed amidst the granulomatous inflammation at magnification of 400x on the left and of 1000 x on the right (A). Gomori methenamine silver (GMS) staining revealed some thin cystic-like structures (red arrows) that were observed to be morphologically consistent with asci of Pneumocystis jirovecii at 1000 x magnification (B)

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