Table 6

Results from culture-based epidemiological studies of atopic eczema and psoriasis

Skin condition and referenceNo. of patients/no. of positive cultures% of cultures positive for: Culture medium a LocationDescription
M. globosaM. restrictaM. sympodialisM. furfurM. slooffiaeM. obtusaM. dermatis
Atopic eczema
    138 31/221885110310LNACanadaNo. of CFU from cases of atopic eczema was significantly lower than that from healthy or pityriasis versicolor skin
    344 60/311622322136.5LNASouth KoreaTrend in the severity of atopic eczema with Malassezia colonization was observed
    277 124/69283464730LNASwedenMixed species were cultured in 11% of patients; healthy skin and seborrheic dermatitis skin were significantly more colonized than atopic eczema skin; M. globosa was significantly more common in atopic eczema skin
Psoriasis
    353 110/6945111138LNAIran9% of patients had mixed cultures (>2 species); significant differences in isolation rates from psoriatic skin and healthy skin on the head
    138 28/19583111.5LNACanadaNo. of CFU in psoriasis skin was significantly lower than those for other Malassezia-associated dermatoses; Malassezia grew more commonly on scalp and face than on arms and legs
  • a LNA, Leeming-Notman agar.