Chromomycosis

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  • Also called Phaeohyphomycosis
  • Opportunistic
  • Infects horses, dogs and humans
    • Found in wounds and abrasions
  • Caused by dematiaceous fungi
    • Dactylaria gallopava, Exophiala pisciphila, E. salmonis, Scolecobasidium humicola, S. tshawytschae, Drechslera, Exophilia jeanselmeri, E. verrucosa, Fonsecaea pelrosoi
  • Nodular and ulcerating lesions of the skin on the feet, legs and occasionally eyes (in turkeys)
    • Regional granulomatous lymphadenitis
  • Single cells or clusters, spherical and thick-walled
  • Brown pigmented fungal elements
  • Multiply by cross-wall formation or splitting (not budding)
  • Grows on Sabauraud's Dextrose agar ar room temperature
    • Slow growth
    • Takes one month

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Subcutaneous Mycoses