S11C17P12-Fungus Diseases

S11C17P12-1: In this pulmonary lesion of coccidioidomycosis, the internal structure of the organisms and the process of endosporulation (green arrows) are in evidence. The process is something more than the formation of symmetrically rounded endospores that are uniform in size. The background infiltrate is lymphohistiocytic.

S11C17P12-2: In this field, the infiltrate is composed of neutrophils.

S11C17P12-3: At the tip of the green arrow, one organism has features which are indistinguishable from those of the organisms in blastomycosis.

S11C17P12-4: The patterns in this field are basic to many deep fungus infections of the skin. In combination, the features might be characterized as blastomycosis-like. Blue arrows point to an area of pseudoepitheliomatous hyperplasia. The patterns of inflammation include suppuration and granulomatous inflammation (sporotrichosis).

S11C17P12-5: Red arrows identify a budding organism of sporotrichosis. One bud, along the upper surface of an organism, has a narrow base. The other bud to the right is cigar-shaped.

S11C17P12-6: Blue arrows identify a classic asteroid body of sporotrichosis. The radially arranged deposits at the surface of the organism are proteinaceous; they have fibrinoid qualities. The deposits qualify as Splendore-Hoeppli phenomena.

S11C17P12-7: An asteroid body floats in a sea of pus in this lesion of sporotrichosis.

S11C17P12-8: This is a spectacular asteroid body (sporotrichosis).

 

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