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To the Editor.—
Two cases are reported with lesions occurring under wristwatches, with the clinical appearance of a contact sensitivity to nickel but which proved to be due to fungus infections, in one case caused by Trichophyton rubrum and in the other by Candida albicans.
Report of Cases
A 50-year-old white woman, who had been under our care at intervals for seven years for a T rubrum infection of the feet, called attention to a dime-sized, well-defined, erythematous, slightly scaly, itchy area on the dorsum of the left wrist, coinciding with the area covered by a white metal wristwatch. The lesion had been present for one week. She stated she had worn the same wristwatch for many years without difficulty.Direct microscopic examination of a KOH preparation of scrapings from the lesion on the wrist revealed hyphae and spores typical of a Trichophyton. A culture on Sabouraud's medium
Ayres S, Mihan R. WRISTWATCH RINGWORM. Arch Dermatol. 1970;102(2):235. doi:10.1001/archderm.1970.04000080107028