Changes

''M. Pachydermatitis'' is bottle-shaped, and non-mycelial.   

''M. Pachydermatitis'' is bottle-shaped, and non-mycelial.   

*Gram stain shows purple yeast cells with a very wide base, and has a greenish discolouration on blood agar.

Gram stain shows purple yeast cells with a very wide base, and has a greenish discolouration on blood agar.

 

 

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.

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.

*Microscopically:

Microscopically, one may see;[[Skin Glossary - Pathology|hyperkeratosis, parakeratosis]], Spongiotic pustular dermatitis, [[Skin Glossary - Pathology|Acanthosis]].

**[[Skin Glossary - Pathology|hyperkeratosis, parakeratosis]]

Organisms are usually present- minimum 3-5 yeasts per high-power field must be found to imply cause of disease

**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

[[Category:To_Do_-_Max]]

[[Category:To_Do_-_Max]]