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Peer-reviewed veterinary case report

Human dermatophytosis caused by Trichophyton equinum.

Journal:
Mycopathologia
Year:
1985
Authors:
Takatori, K & Ichijo, S
Species:
horse

Plain-English summary

A 25-year-old man who worked at a horse racing breeding center developed a skin infection on his left arm in August 1981, caused by a fungus called Trichophyton equinum. He had a small blister or pustule on his arm that was very itchy. Doctors identified the fungus through a microscope and treated him successfully with a medication called griseofulvin. The infection was likely contracted from the horses or the equipment used to care for them, as there were many similar cases at the racing course. The treatment worked very well for him.

Abstract

A case of dermatophytosis caused by Trichophyton equinum is reported. A 25-year-old man employed at a breeding center of a horse racing course was infected on the left arm in August, 1981. The lesion had a vesicle or a small pustule accompanied by severe itching. The fungal elements of the scale were identified by microscopic observation. Griseofulvin administration was found to be very effective for treating this infection. In a mycological examination, T. equinum was isolated mainly on cycloheximide-chloramphenicol Sabouraud's dextrose agar and chloramphenicol potato dextrose agar. Equine dermatophytosis was quite prevalent at this race course, so that this area as well as equipment used for the maintenance and care of the horse was very likely to be the source of the patient's infection.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/4000242/