Mould Identification: A Virtual Self Assessment
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Unknown 45 = Pleurostomophora richardsiae
Case History: A 25-year-old male renal transplant recipent presented with a dark coloured subcutaneous nodule on his leg, which later became ulcerated. The culture shown below was isolated.
Colonies grow rapidly, and are powdery to woolly or tufted, greyish-brown with a grey-brown to olivaceous-black reverse.
Phialides of P. richardsiae producing 2 types of conidia. (1) hyaline conidia, formed on inconspicuous, peg-like phialides on thin-walled hyphae; and (2) brown, thick-walled conidia formed on dark brown, slender, tapering phialides with flaring collarettes.
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