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*Cutaneous, may involve lymhatic vessels or disseminate
*Occurs in horses, cattle, cats and dogs
*Grossly:
[[Image:Sporotrichosis horse.jpg|thumb|right|150px|Sporotrichosis in a horse -Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath]]
**Ulcerated cutaneous nodules
[[Image:Sporotrichosis cigar cells.jpg|thumb|right|150px|Sporotrichosis cigar shaped cells -Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath]]
**Fistulas may form
*''Sporothrix schenckii''
*Microscopically:
**Hard to find ovoid to elongated organisms
*Occurs in soil, wood and vegetation
**More numerous in cats
**Saprophyte of both decaying and healthy vegetation
*Exudate may be infectious to humans if comes into contact with wounds
*Worldwide
*Exogenous infections through wounds
*Sporadic infections
*Non-contageous
*Causes subcutaneous nodules or granulomas
**Nodules ulcerate discharging pus
*Spread via the [[Lymphatic System - Anatomy & Physiology|lymphatics]]
*The [[Bones and Cartilage - Anatomy & Physiology|bones]] and viscera can be involved which terminates in mortality
**This is rare
**Reported in dogs and horses
*Affects dogs, horses, cats, monkeys, mules, camels, donkeys, cattle, fowl and rodents
**Most commonly seen in horses as an ascending lymphocutaneous infection of the legs
**Can be confused with [[Subcutaneous Mycoses#Epizootic Lymphangitis|epizootic lymphangitis]] in horses
*Single cell, cigar shaped
**Usually found within [[Neutrophils|neutrophils]]
**Yeast cell clusters with peripheral eosinophilic rays can be seen in tissue sections
*Stained using PAS, Gram stain (positive), fluorescent antibody and Calcofluor White
*Latex agglutination and immunodiffusion serology can be performed
*Grows on Blood agar and Sabouraud's Dextrose agar in one to three weeks
**At 37°C:
***Colonies are smooth, cream to tan coloured and soft
***No mycelium can be seen
**At 25°C to 27°C:
***Colonies turn from white and soft to tan to brown to black
***Leathery, wrinkled and coarse
***Mycelium can be seen as branching septate hyphae
***Conidiospores can also be seen
*Potassium iodide treatment orally
**[[Antifungal Drugs#Flucytosine|5-fluorocytosine]] and [[Antifungal Drugs#Polyene Antifungals|amphotericin B]] can also be used[[Category:Subcutaneous_Mycoses]]
[[Category:To_Do_-_Fungi]]