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*Caused by [[Fungi|''Malassezia pachydermatis'']]
 
*Caused by [[Fungi|''Malassezia pachydermatis'']]
*Yeast, normally present in external ear canal and skin
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*Normally present in oily areas on the external ear canal and skin in dogs
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**Some strains have been recovered from the ear canal of cats
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*Bottle-shaped, small budding cells, non-mycelial
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*Gram stain shows purple yeast cells with a very wide base
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*Grow on Sabouraud's Dextrose agar in 2 weeks of incubation at room temperature
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*Greenish discolouration on blood agar
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*Clinical disease may cause yeast to proliferate and cause infection
 
*Clinical disease may cause yeast to proliferate and cause infection
 
*Grossly:
 
*Grossly:
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