Geotrichosis

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  • G. candidum
  • Rare
  • Two forms: the yeast-like (glaborous) and fluffy
  • Affects a wide range of species
  • Usually diagnosed post-mortem
  • Usually mild, causing suppurative granulomas
  • Can be recovered from otitis externa infections in dogs
  • Organisms appear as rectangular or spherical arthrospores on wet mounts
    • Thick walled, non-budding, gram positive
  • Grow on Sabouraud's Dextrose agar
    • Membranous colonies
    • Do not grow well on blood agar