Difference between revisions of "Malassezia Dermatitis"
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*Caused by [[Malassezia pachydermidis|''Malassezia pachydermatis'']] | *Caused by [[Malassezia pachydermidis|''Malassezia pachydermatis'']] | ||
*Yeast, normally present in external ear canal and skin | *Yeast, normally present in external ear canal and skin | ||
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Microscopically, one may see;[[Skin Glossary - Pathology|hyperkeratosis, parakeratosis]], spongiotic pustular dermatitis, [[Skin Glossary - Pathology|Acanthosis]]. | Microscopically, one may see;[[Skin Glossary - Pathology|hyperkeratosis, parakeratosis]], spongiotic pustular dermatitis, [[Skin Glossary - Pathology|Acanthosis]]. | ||
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+ | [[Category: To Do - Dermatology]] |
Revision as of 15:50, 3 August 2010
This article is still under construction. |
- Caused by 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, lichenified and scaly lesions with alopecia
- Microscopically:
- hyperkeratosis, parakeratosis
- Spongiotic pustular dermatitis
- Acanthosis
- Organisms are usually present, minimum 3-5 yeasts per high-power field must be found to imply cause of disease
Grossly, regional lesions may be seen around the muzzle, ears, interdigital, and perianal. Other common signs include erythema, hyperpigmentation, lichenified and scaly lesions with alopecia.
Microscopically, one may see;hyperkeratosis, parakeratosis, spongiotic pustular dermatitis, Acanthosis.