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Occupational pigmented contact dermatitis from azo‐dyes

1985; Wiley; Volume: 12; Issue: 1 Linguagem: Inglês

10.1111/j.1600-0536.1985.tb01032.x

1600-0536

Keiichi Fujimoto, Sehchi Hashimoto, Takehito Kozuka, Minoru Tashiro, Shigemaru Sano,

Immunotoxicology and immune responses

A 51‐year‐old man had been working in a dye factory for 25 years and had noticed itching and pigmentation on the extremities for the past 5 years. Patch testing showed positive reactions to Sudan I and Vacanceine Red, among the azo dyes which he had been handling. After he changed his work, he became free from erythematous lesions with itching. The pigmentation almost disappeared III months later.