By Disease Name > Sporotrichosis

Sporotrichosis

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•organism: Sporothrix schenckii – a dimorphic fungi
•histology:  rarely see spores on biopsy
•culture:  Sabaroud’s -  culture at 37ºC reveals yeast, while culture at 25ºC reveal branching hyphae  i.e. dimorphism  (does not grow at 39ºC, therefore some recommend pyrotherapy)
•primary inoculation common (classic history = rose thorns pricking the skin)
•treatment = potassium iodide
•mnemonic:  if you are going to POT roses, you might buy some POTassium iodide
•ddx:  atypical mycobacterium