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Mites (view source)

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'''Burrowing Mites~~'''~~

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'''[[Burrowing Mites]]'''

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*Sarcoptidae

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**'''[[Sarcoptes|''Sarcoptes'']]

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**'''[[Knemidocoptes|''Knemidocoptes'']]

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**'''[[Trixacarus|''Trixacarus'']]

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**'''[[Demodex|''Demodex'']]

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~~===''Notoedres''===~~

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*Known as feline scabies

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*Also common ectoparasite of tropical bats

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*Parasite of cats, rats, man and rabbits

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~~'''Recognition'''~~

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*Similar to ''Sarcoptes''

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*Less distinct angles on body surface

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*Females have suckers on legs 1 and 2

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*Females are about 225μm in length and males 150μm

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*Anal opening is distinctly dorsal (not posterior)

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~~'''Pathogenesis'''~~

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*Infection begins on the ear tips and spreads over the body

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*''Notoedres cati'' in [[Parasitic skin infections - Pathology#Notoedric mites|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

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~~'''Diagnosis~~'''

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*Superficial skin scraping

*A single nest in a scraping may yield many mites

Bara

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Mites (view source)

Revision as of 20:52, 5 April 2010

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