Difference between revisions of "Feline Scabies"

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*Hypersensitivity reaction may occur
 
*Hypersensitivity reaction may occur
**Eosinophils[[Category:To_Do_-_Clinical]]
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**Eosinophils
 +
 
 +
 
 +
[[Category:Integumentary System - Mite Infections]][[Category:To_Do_-_Clinical]]

Revision as of 14:52, 22 February 2011

  • Rare but very contagious
  • Caused by Notoedres cati
  • Grossly:
    • Erythematous papular rash -> scales, crusts, alopecia -> lichenification when chronic
    • Start on neck and ears -> head, face, paws -> generalised
  • Microscopically:
    • Epidermal hyperplasia, spongiosis, crusts
    • Superficial perivascular dermatitis

Pathogenesis

Infection begins on the ear tips and spreads over the body a notoedric skin infestation

  • Causes dermatitis
  • Burrowing of females damages keratinocytes leading to cytokine release
  • Hypersensitivity reaction may occur
    • Eosinophils