Distribution of Malassezia Species from Scales of Patient with Pityriasis Versicolor by Culture in Vietnam.

BACKGROUND

The detection of pathogenic fungus is an important step and key to assessing the sensitivity of the antifungal drugs, and therefore choosing an effective treatment method.

AIM: To identify Malassezia species from scales of a patient with pityriasis versicolor.

METHODS

Three hundred patients with pityriasis versicolor who were positive with direct examination, were isolated by culture.

RESULTS

Identification of Malassezia species by culture: the growth rate was 90.3%; the detection rate was 97.0%, including 11 species: M. globosa (42.4%), M. dermatitis (17.3%), M. furfur (14.4%). M. globosa was the most prevalent species in the 20-29 group 36.5%, in hyphae and yeast cells (42.2%).

CONCLUSION

M. globosa is the main cause of pityriasis versicolor in Vietnam.