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| + | #REDIRECT[[:Category:Integumentary System - Bacterial Infections]] |
| − | Cutaneous bacterial infections tend to be called '''pyodermas'''. They are superficial, deep and are common in dogs, but less common in other species.
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| − | ===[[Deep Pyoderma]]===
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| − | ====[[Bacterial Granulomatous Dermatitis]]====
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| − | *Usually due to saprophytes
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| − | *Grossly:
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| − | **Diffuse or nodular lesions
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| − | **May ulcerate and form drainage fistulas
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| − | *Microscopically:
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| − | **Macrophages +/- multinucleated giant cells
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| − | **[[Necrosis - Pathology#Caseation Necrosis|Caseous necrosis]] and [[Neutrophils|neutrophils]]
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| − | *'''Mycobacterial granulomatous or pyogranulomatous lesions'''
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| − | **Usually caused by ''[[Mycobacterium lepraemurium]]'' (feline leprosy) or other ''Mycobacteria''
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| − | **Most commonly lesions appear on head, neck and legs
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| − | *'''[[Botryomycosis]]'''
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| − | [[Category:Integumentary System - Bacterial Infections]]
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| − | ===[[Bacterial Pododermatitis]]===
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| − | *Digital infections in ruminants
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| − | *'''[[Contagious Footrot]]'''
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| − | *'''[[Necrobacillosis]]''' of the foot
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| − | [[Category:Integumentary System - Bacterial Infections]]
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| − | ===[[Systemic Bacterial Infections]]===
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| − | *[[Salmonella|'''Salmonellosis''']]
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| − | **Capillary dilatation and congestion -> cyanosis of external ears and abdoman
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| − | **Thrombosis -> necrosis of extremities
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| − | *'''Erysipelas''' in pigs
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| − | **Caused by [[Erysipelothrix rhusiopathiae|''Erysipelothrix rhusiopathiae'']]
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| − | **Vasculitis, thrombosis, ischaemia -> cutaneous lesions - firm, raises, rhomboidal pink to dark purple areas
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| − | *[[Clostridium novyi|''Clostridium novyi'']]
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| − | **Severe cellulitis, toxaemia and death of young rams during breeding season (due to traumatised heads) - 'big head'
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| − | *[[Streptococcus equi subsp. equi|''Streptococcus equi'']]
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| − | **In horses
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| − | **Immune complex vasculitis -> [[Haemorrhage#Purpura haemorrhagica|purpura]]
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| − | [[Category:Integumentary System - Bacterial Infections]]
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| − | [[Category:Integumentary System - Pathology]]
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