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| + | #REDIRECT[[:Category:Subcutaneous Mycoses]] |
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| − | <br>
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| − | ==Chromoblastomycosis==
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| − | ==Chromomycosis==
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| − | *Also called Phaeohyphomycosis
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| − | *Opportunistic
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| − | *Infects horses, dogs and humans
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| − | **Found in wounds and abrasions
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| − | *Caused by [[Dermatophytosis|dematiaceous fungi]]
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| − | **''Dactylaria gallopava, Exophiala pisciphila, E. salmonis, Scolecobasidium humicola, S. tshawytschae, Drechslera, Exophilia jeanselmeri, E. verrucosa, Fonsecaea pelrosoi''
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| − | *Nodular and ulcerating lesions of the skin on the feet, legs and occasionally eyes (in turkeys)
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| − | **Regional granulomatous lymphadenitis
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| − | *Single cells or clusters, spherical and thick-walled
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| − | *Brown pigmented fungal elements
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| − | *Multiply by cross-wall formation or splitting (not budding)
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| − | *Grows on Sabauraud's Dextrose agar ar room temperature
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| − | **Slow growth
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| − | **Takes one month
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| − | *For further information, see [[Dermatophytosis|dematiaceous fungi]]
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| − | ==Epizootic Lymphangitis==
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| − | ==Eumycotic Mycetoma==
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| − | ==Hyphomycosis==
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| − | ==Pythiosis==
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| − | *Mycotic swamp fever
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| − | ==Rhinosporidiosis==
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| − | ==Sporotrichosis==
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| − | *''Sporothrix schenckii''
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| − | *Occurs in soil, wood and vegetation
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| − | *Worldwide
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| − | *Exogenous infections through wounds
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| − | *Causes subcutaneous nodules or granulomas
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| − | **Nodules ulcerate discharging pus
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| − | *Spread via the [[Lymphatic System - Anatomy & Physiology|lymphatics]]
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| − | *The [[Bones and Cartilage - Anatomy & Physiology|bones]] and viscera can be involved which terminates in mortality
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| − | **This is rare
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| − | **Reported in dogs and horses
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| − | *Affects dogs, horses, cats, monkeys, mules, camels, donkeys, cattle, fowl and rodents
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| − | **Most commonly seen in horses as an ascending lymphocutaneous infection of the legs
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| − | *Single cell, cigar shaped
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| − | **Usually found within [[Neutrophils - WikiBlood|neutrophils]]
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| − | **Yeast cell clusters with peripheral eosinophilic rays can be seen in tissue sections
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| − | *Stained using PAS, fluorescent antibody and Calcofluor White
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| − | *Latex agglutination and immunodiffusion serology can be performed
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| − | *Grows on Blood agar and Sabouraud's Dextrose agar in one to three weeks
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| − | **At 37°C:
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| − | ***Colonies are smooth, cream to tan coloured and soft
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| − | ***No mycelium can be seen
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| − | **At 25°C to 27°C:
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| − | ***Colonies turn from white and soft to tan to brown to black
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| − | ***Leathery, wrinkled and coarse
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| − | ***Mycelium can be seen as branching septate hyphae
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| − | ***Conidiospores can also be seen
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| − | *Potassium iodide treatment orally
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| − | **[[Antifungal Drugs#Flucytosine|5-fluorocytosine]] and [[Antifungal Drugs#Polyene Antifungals|amphotericin B]] can also be used
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| − | ==Further Links==
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| − | *Pathology of [[Mycotic skin infections - Pathology#Subcutaneous mycoses|subcutaneous mycoses]]
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| − | *[[Antifungal Drugs]]
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