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March 1973

Scanning Electron Microscopy of Tinea Versicolor Organisms(Malassezia furfur-Pityrosporon orbiculare?)

Author Affiliations

Kansas City, Mo; Kansas City, Kan; Kansas City, Mo

From the Department of Pathology, Kansas City (Mo) General Hospital (Dr. Barnes), Section of Dermatology, University of Kansas (Kansas City) Medical Center (Dr. Sauer), and Department of Medicine, Truman Medical Research Laboratory, Kansas City, Mo (Dr. Arnold).

Arch Dermatol. 1973;107(3):392-394. doi:10.1001/archderm.1973.01620180046013

A scanning electron microscopic study of the different morphological stages of tinea versicolor organisms was conducted. Included are the yeast-like and hypae forms representative of Malassezia furfur as well as various phases of blastospore development of phialides cells, characteristic of Pityrosporon orbiculare. In addition, a hair shaft showed both hyphal and phialidial cell types.