Difference between revisions of "Yeast-like fungi"
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| + | ==Candidosis== | ||
| + | |||
| + | *Caused by [[Fungi|''Candida'' spp.]] | ||
| + | *Noramlly present on skin and in [[Alimentary - Anatomy & Physiology|GI tract]] | ||
| + | *Immunocompromised animals may show symptoms | ||
| + | *Usually lesions on mucous membranes and at mucocutaneous junctions | ||
| + | *Grossly: | ||
| + | **Exudative, papular, pustular to ulcerative dermatitis | ||
| + | **Stomatitis and otitis externa may develop | ||
| + | *Microscopically: | ||
| + | **Spongiotic neutrophilic pustular inflammation | ||
| + | **Parakeratosis | ||
| + | **Ulcerations | ||
| + | **Superficial exudate containing organisms | ||
| + | |||
| + | ==Cryptococcosis== | ||
| + | |||
| + | ==Geotrichosis== | ||
| + | |||
| + | ==''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 minuta'' and ''R. rubra'' | ||
| + | |||
| + | *Canine ear infections | ||
| + | |||
| + | *Equine uterus | ||
| + | |||
| + | *Seldom seen in animal infections | ||
| + | |||
| + | ==''Torulopsis glabrata''== | ||
| + | |||
| + | *Commensal in animals and is found in the soil | ||
| + | |||
| + | *Implicated in cases of: | ||
| + | **Pyelonephritis, pneumonia, septicaemia and meningitis (humans) | ||
| + | **Mastitis and abortion in cattle | ||
| + | **Systemic infection of monkeys and dogs | ||
| + | |||
| + | ==Trichosporonosis== | ||
| + | |||
| + | *Found in soil | ||
| + | |||
| + | *Deuteromycetes yeast | ||
| + | |||
| + | *''Trichosporonosis beigelii'' | ||
| + | **Implicated in feline nasal granuloma, [[Mycotic skin infections - Pathology#Superficial mycoses|skin infections]] in horses and monkeys, mastitis in cattle and sheep and in feline bladder infections | ||
| + | |||
| + | *''T. capitum'' implicated in bovine mastitis | ||
| + | |||
| + | ==Further Links== | ||
| + | |||
| + | *[[Mycotic skin infections - Pathology]] | ||
| + | |||
| + | |||
| + | *''Cryptococcus neoformans'' causes granulomatous [[Nasal Cavity Inflammatory - Pathology#Infectious causes of rhinitis|rhinitis]] in cats, see [[Respiratory Fungal Infections - Pathology#In Cats|respiratory infections]] | ||
| + | * ''Candida'' is an opportunistic pathogen at mucus membranes, causing thrush. | ||
| + | *''Blastomyces dermatitidis'' in [[Respiratory Fungal Infections - Pathology#Blastomycosis|blastomycosis in lungs]] | ||
| + | *''Histoplasma capsulatum'' in [[Respiratory Fungal Infections - Pathology#Histoplasmosis|histoplasmosis in lungs]] | ||
| + | *''Candida'' spp. in [[Mycotic skin infections - Pathology#Candidiasis|candidiasis]] | ||
| + | *''Malassezia pachydermis'' in [[Mycotic skin infections - Pathology#Malassezia dermatitis|malassezia dermatitis]] | ||
Revision as of 16:59, 23 April 2009
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This article is still under construction. |
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Candidosis
- Caused by Candida spp.
- Noramlly present on skin and in GI tract
- Immunocompromised animals may show symptoms
- Usually lesions on mucous membranes and at mucocutaneous junctions
- Grossly:
- Exudative, papular, pustular to ulcerative dermatitis
- Stomatitis and otitis externa may develop
- Microscopically:
- Spongiotic neutrophilic pustular inflammation
- Parakeratosis
- Ulcerations
- Superficial exudate containing organisms
Cryptococcosis
Geotrichosis
Malassezia pachydermidis
- 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
Rhodotorula
- Rhodotorula minuta and R. rubra
- Canine ear infections
- Equine uterus
- Seldom seen in animal infections
Torulopsis glabrata
- Commensal in animals and is found in the soil
- Implicated in cases of:
- Pyelonephritis, pneumonia, septicaemia and meningitis (humans)
- Mastitis and abortion in cattle
- Systemic infection of monkeys and dogs
Trichosporonosis
- Found in soil
- Deuteromycetes yeast
- Trichosporonosis beigelii
- Implicated in feline nasal granuloma, skin infections in horses and monkeys, mastitis in cattle and sheep and in feline bladder infections
- T. capitum implicated in bovine mastitis
Further Links
- Cryptococcus neoformans causes granulomatous rhinitis in cats, see respiratory infections
- Candida is an opportunistic pathogen at mucus membranes, causing thrush.
- Blastomyces dermatitidis in blastomycosis in lungs
- Histoplasma capsulatum in histoplasmosis in lungs
- Candida spp. in candidiasis
- Malassezia pachydermis in malassezia dermatitis