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Occupational contact dermatitis from pyrocatechol in parquet flooring
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We describe a case of occupational allergic contact dermatitis due to pyrocatechol.
A 55-year-old man reported a 2-year history of very itchy symmetrical eczema on both hands, which was treated with topical emollients and corticosteroids without consistent resolution (figure 1). Histological examination showed features that confirmed a diagnosis of allergic contact dermatitis. The patient was tested with the SIDAPA (Italian Society of Allergological, Professional and Environmental Dermatology) standard series of patch tests, which were negative.
The personal history of the patient revealed no significant factors except that he …