Difference between revisions of "Botryomycosis"

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(Created page with '*Caused by ''Staphylococcus aureus'' *Occurs in horses and pigs usually due to wounds *Lowgrade persistent infection -> granulomatous lesions *Grossly: **Hard nodules with fi…')
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**Central club colonies
 
**Central club colonies
 
**Staphylococci are present
 
**Staphylococci are present
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**Granulomatous dermatitis caused by nonfilamentous bacteria
 
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**Usually [[:Category:Staphylococcus species|''Staphylococcus aureus'']]
 
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**Small, yellow granules are formed - sulfur granules
 
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***Central bacteria surrounded by homogeneous eosinophilic material
 
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*Filamentous bacteria can also cause granulomas
 
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**''E.g.'' [[:Category:Actinomycetes|''Actinomyces'' and ''Nocardia'']], [[:Category:Actinobacillus species|''Actinobacillus'']]
 
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[[Category:Integumentary System - Bacterial Infections]]
 
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[[Category:Bacterial Myositis]]
 

Revision as of 23:03, 14 May 2010

  • 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
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