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→Malassezia pachydermidis
==''Malassezia pachydermidis''==
==''Malassezia pachydermidis''==
*Caused by [[Fungi|''Malassezia pachydermatis'']]
*Yeast, normally present in external ear canal and skin
*Clinical disease may cause yeast to proliferate and cause infection
*Grossly:
**Regional lesions: muzzle, ears, interdigital, perianal
**Or generalised disease
**Erythematous, hyperpigmented, [[Skin Glossary - Pathology|lichenified]] and scaly lesions with alopecia
*Microscopically:
**[[Skin Glossary - Pathology|hyperkeratosis, parakeratosis]]
**Spongiotic pustular dermatitis
**[[Skin Glossary - Pathology|Acanthosis]]
**Organisms are usually present, minimum 3-5 yeasts per high-power field must be found to imply cause of disease
==''Rhodotorula''==
==''Rhodotorula''==