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Respiratory Fungal Infections - Pathology (view source)
Revision as of 21:31, 6 August 2008
, 21:31, 6 August 2008no edit summary
*It has been occasionally reported in young or immunosuppressed animals (e.g. Arabian foals with congenital immunodeficiency)
*It has been occasionally reported in young or immunosuppressed animals (e.g. Arabian foals with congenital immunodeficiency)
*Grossly:
*Grossly:
**Diffuse [[Lungs Inflammatory - Pathology#Interstitial pneumonia|interstitial]] [[Lungs Inflammatory - PathologyLungs Inflammatory - Pathology#Infectious causes of pneumonia|pneumonia]]
**Diffuse [[Lungs Inflammatory - Pathology#Interstitial pneumonia|interstitial]] [[Lungs Inflammatory - Pathology#Infectious causes of pneumonia|pneumonia]]
**Patches of firmness or consolidation
**Patches of firmness or consolidation
*Histologically:
*Histologically:
**Alveoli are filled with pale staining acidophilic material (= trophozoite and cyst forms of the organism)
**Alveoli are filled with pale staining acidophilic material (= trophozoite and cyst forms of the organism)
*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
*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