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March 1964

Cladosporium Werneckii: Infection and in Vivo Culture

Author Affiliations


Department of Medicine, Division of Dermatology, University of California, Center for the Health Sciences.

Arch Dermatol. 1964;89(3):432-435. doi:10.1001/archderm.1964.01590270118026

A case of tinea nigra is described in a patient in California who had concomitant hyperhidrosis of his palms.

In vivo cultures were maintained on the plantar surfaces of the feet of a volunteer. An occlusive dressing was necessary for the maintenance of the cultures. The in vivo growth was concentrated in and around the openings of the sweat ducts.

The palmar location of tinea nigra may be explained by the abundance of Cladosporium in the environment and the preference of the fungus for the milieu provided by the sweat pores.

Monomer strippings effectively removed the keratinized epidermal cells and fungus in a continuous sheet, thus providing a picture of the growth habits of the fungus in situ.

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