Malassezia species retrieved from skin with pityriasis versicolor, seborrheic dermatitis and skin free of lesions: a comparison of two sampling methods

Abstract

Malassezia are involved in the pathogenesis of different skin diseases including pityriasis versicolor (PV) and seborrheic dermatitis (SD), but these yeasts are also important inhabitants of the skin microbiome. Culture is not performed routinely, although it may be of value in doubtful cases to support the diagnosis; culture is crucial for identification tools such as matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS). Culture is also critical to assess the number of organisms and viability and, eventually, to perform antifungal susceptibility tests.

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