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Dermatophilosis (view source)

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==Description==

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A group of diseases affecting the epidermis caused by [[Dermatophilus congolensis|dermatophilus congolensis]] . Causes a range of conditions in large animals including rain scald in horses and strawberry foot rot in sheep. Lesions typically involve exudative dermatitis with scab formation. A zoonosis affecting humans in close contact with infected animals.

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A group of diseases affecting the epidermis caused by [[Dermatophilus congolensis|dermatophilus congolensis]] . Causes a range of conditions in large animals including rain scald in horses and strawberry foot rot in sheep. Associated with skin trauma, prolonged wetting or [[Parasitic skin infections - Pathology#Parasitic| parasites]]. Lesions typically involve exudative dermatitis with scab formation. A zoonosis affecting humans in close contact with infected animals.

==Signalment==

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*Associated with skin trauma, prolonged wetting or [[Parasitic skin infections - Pathology#Parasitic| parasites]]

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** -> penetration of zoospores

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*Bacteria proliferate in outer sheath of hair follicles and superficial epidermis

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*Gram-positive, filamentous branching organisms, subdivided longitudinally and transversly

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*Causing:

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**Acute inflammatory response -> neutrophil migration through dermis and epidermis -> formation of microabscesses

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**Further penetration of bacteria is thus prevented

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**Regenerated epidermis is invaded again by remaining organisms

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**Repeated reinfection -> multilaminated pustular crusts

[[Category:Cattle]][[Category:Sheep]][[Category:Horse]][[Category:To_Do_-_Caz]]

[[Category:Sheep]][[Category:Pig]][[Category:Cattle]][[Category:Goat]][[Category:Zoonoses]][[Category:Dog]][[Category:Cat]]

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Dermatophilosis (view source)

Revision as of 17:35, 25 July 2010

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