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**Epidermal hyperplasia, spongiosis, crusts
 
**Epidermal hyperplasia, spongiosis, crusts
 
**Superficial perivascular dermatitis
 
**Superficial perivascular dermatitis
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==Pathogenesis==
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Infection begins on the ear tips and spreads over the body [[Parasitic skin infections - Pathology#Notoedric mites|a notoedric skin infestation]]
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*Causes dermatitis
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*Burrowing of females damages keratinocytes leading to cytokine release
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*Hypersensitivity reaction may occur
 
**Eosinophils[[Category:To_Do_-_Clinical]]
 
**Eosinophils[[Category:To_Do_-_Clinical]]
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