Geotrichosis

• G. candidum

• Rare

• Two forms: the yeast-like (glaborous) and fluffy

• Affects a wide range of species

• Usually diagnosed post-mortem

• Affects the mucous membranes, udder, bronchi and lungs

• 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