Difference between revisions of "Botryomycosis"
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*Filamentous bacteria can also cause granulomas | *Filamentous bacteria can also cause granulomas | ||
**''E.g.'' [[:Category:Actinomycetes|''Actinomyces'' and ''Nocardia'']], [[:Category:Actinobacillus species|''Actinobacillus'']] | **''E.g.'' [[:Category:Actinomycetes|''Actinomyces'' and ''Nocardia'']], [[:Category:Actinobacillus species|''Actinobacillus'']] | ||
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| + | [[Category:Integumentary System - Bacterial Infections]] | ||
Revision as of 19:08, 21 February 2011
- Caused by Staphylococcus aureus
- Occurs in horses and pigs usually due to wounds
- Lowgrade persistent infection -> granulomatous lesions
- Grossly:
- Hard nodules with fibrous capsule in muscles
- Contain yellow-brown pus and granules
- Histologically:
- Encapsulated granulomatous lesions
- Central club colonies
- Staphylococci are present
- Granulomatous dermatitis caused by nonfilamentous bacteria
- Usually Staphylococcus aureus
- Small, yellow granules are formed - sulfur granules
- Central bacteria surrounded by homogeneous eosinophilic material
- Filamentous bacteria can also cause granulomas