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''M. Pachydermatitis'' is bottle-shaped, and non-mycelial.   
 
''M. Pachydermatitis'' is bottle-shaped, and non-mycelial.   
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*Gram stain shows purple yeast cells with a very wide base
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*Gram stain shows purple yeast cells with a very wide base, and has a greenish discolouration on blood agar.
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*Grows on Sabouraud's Dextrose agar in 2 weeks of incubation at room temperature
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It has a greenish discolouration on blood agar.
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Grossly, regional lesions may be seen around the muzzle, [[Ear - Anatomy & Physiology|ears]], interdigital, and perianal.  Other common signs include erythema, hyperpigmentation, [[Skin Glossary - Pathology|lichenified]] and scaly lesions with alopecia.
 
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*Grossly:
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**Regional lesions: muzzle, [[Ear - Anatomy & Physiology|ears]], interdigital, perianal
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**Or generalised disease
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**Erythematous, hyperpigmented, [[Skin Glossary - Pathology|lichenified]] and scaly lesions with alopecia
      
*Microscopically:
 
*Microscopically:
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