Onychomycosis caused by Scopulariopsis brevicaulis: report of two cases.

Annals of Dermatology
Myung Hoon LeeJeong Young Park

Abstract

Onychomycosis is usually caused by dermatophytes, but some nondermatophytic molds and yeasts are also associated with invasion of nails. Scopulariopsis brevicaulis is a nondermatophytic mold found in soil as a saprophyte. We report two cases of onychomycosis caused by S. brevicaulis in a 48-year-old male and a 79-year-old female. The two patients presented with a typical distal and lateral subungual onychomycosis. Direct microscopic examination of the potassium hydroxide preparation revealed fungal elements. From toenail lesions of the patients, brown colonies with powdery surface, which are a characteristic of S. brevicaulis, were cultured on two Sabouraud's dextrose agar plates. Three cultures taken from nail plates within a 2-week interval yielded similar findings. Numerous branched conidiophores with chains of rough walled, lemon-shaped conidia were observed in slide culture by light microscopy and scanning electron microscopy. The nucleotide sequences of the internal transcribed spacer for the two clinical isolates were identical to that of S. brevicaulis strain WM 04.498. To date, a total of 13 cases of S. brevicaulis onychomycosis including the two present cases have been reported in Korea. Mean age of the patients was 4...Continue Reading

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Citations

Jul 23, 2014·Medical Mycology·Magdalena SkóraMałgorzata Bulanda
Mar 26, 2021·Journal of the European Academy of Dermatology and Venereology : JEADV·A K GuptaE M Quinlan

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Datasets Mentioned

BETA
AJ85377

Methods Mentioned

BETA
light microscopy
scanning electron microscopy

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