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| | [[Cryptococcosis]] | | [[Cryptococcosis]] |
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| | ===[[Blastomycosis]]=== | | ===[[Blastomycosis]]=== |
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| | ===[[Histoplasmosis]]=== | | ===[[Histoplasmosis]]=== |
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| − | ===[[Fungi|''Pneumocystis carinii'']]===
| + | ''[[Pneumocystis carinii]]'' |
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| − | *Important cause of pneumonia in humans associated with immunodeficiency states
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| − | *It has been occasionally reported in young or immunosuppressed animals (e.g. Arabian foals with congenital immunodeficiency)
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| − | *Grossly:
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| − | **Diffuse [[Lungs Inflammatory - Pathology#Interstitial pneumonia|interstitial]] [[Lungs Inflammatory - Pathology#Infectious causes of pneumonia|pneumonia]]
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| − | **Patches of firmness or consolidation
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| − | *Histologically:
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| − | **Alveoli are filled with pale staining acidophilic material (= trophozoite and cyst forms of the organism)
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| − | *It is thought that as P. carinii is often present as a latent infection, alveolar macrophages normally control the organism - a process which fails in immunodeficient states
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