Difference between revisions of "Deep Pyoderma"
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*Heals with scarring | *Heals with scarring | ||
*Local lymph nodes are often affected | *Local lymph nodes are often affected | ||
| − | *Often secondary to immunosuppression, follicular hyperkeratosis or [[ | + | *Often secondary to immunosuppression, follicular hyperkeratosis or [[Demodicosis|demodicosis]] |
*May also be a sequele to [[Bacterial skin infections - Pathology#Superficial pyoderma|superficial pyoderma]] | *May also be a sequele to [[Bacterial skin infections - Pathology#Superficial pyoderma|superficial pyoderma]] | ||
*Grossly: | *Grossly: | ||
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====[[Subcutaneous Abscesses]]==== | ====[[Subcutaneous Abscesses]]==== | ||
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| + | ====[[Bacterial Granulomatous Dermatitis]]==== | ||
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[[Category:Integumentary System - Bacterial Infections]] | [[Category:Integumentary System - Bacterial Infections]] | ||
Latest revision as of 15:07, 22 February 2011
- Less common than superficial pyoderma
- Occurs mainly in dogs
- Affects infundibulum, isthmic portion of hair follicles and surrounding dermis and subcutis
- Heals with scarring
- Local lymph nodes are often affected
- Often secondary to immunosuppression, follicular hyperkeratosis or demodicosis
- May also be a sequele to superficial pyoderma
- Grossly:
- Microscopically:
- Pyogranulomatous folliculitis and furunculosis
- Nodular or diffuse dermatitis
- Panniculitis
- May involve a foreign bodey reaction to follicular contents and draining sinuses develop
- If chronic, scarring and loss of adnexa
- Bacteria often isolated include Staphylococcus spp., especially S. intermedius in dogs, Streptococcus spp., Corynebacterium pseudotuberculosis, Pseudomonas, Pasteurella, Proteus, E.coli