Examination of a throat culture from a 9-year old female wit…
Examination of a throat culture from a 9-year old female with a “scratchy throat” reveals the following: moderate growth of small, alpha-hemolytic colonies; light growth of opaque, white, nonhemolytic colonies; and tiny, translucent colonies within a large zone of beta hemolysis on sheep blood agar. You conclude:
Read DetailsA subcutaneous nodule develops in a florist and is submitted…
A subcutaneous nodule develops in a florist and is submitted for microbiology cultures. Fungal cultures incubated at 30ºC grow a small, white yeast-like colony which later becomes wrinkled and leathery and brown in color. On microscopic examination, thin septate hyphae with slender tapering conidiophores are observed, the apex of which bears small, pear-shaped conidia on delicate denticles forming a rose-like cluster. What is the likely identification?
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