Difference between revisions of "Scabies"
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(Created page with '*Caused by ''Sarcoptes scabiei'' *Highly contagious *Mainly in pigs, dogs, also horses, cattle, sheep, goats and cats *Intense pruritus due hypersensitivity to mite…') |
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Revision as of 10:34, 30 June 2010
- Caused by Sarcoptes scabiei
- Highly contagious
- Mainly in pigs, dogs, also horses, cattle, sheep, goats and cats
- Intense pruritus due hypersensitivity to mites borrowing through stratum corneum
- Usually starts with external pinnae -> head -> neck -> generalised
- Grossly:
- Erythematous macules, papules, crusts
- If chronic -> lichenified, hairless
- Microscopically:
- Hyperplastic, spongiotic, superficial perivascular dermatitis
- Crusting, eosinophil infiltration
- Mites are not commonly seen, but eggs and feces may be found in stratumn corneum