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Occupational contact dermatitis from pyrocatechol in parquet flooring
  1. Antonella Tammaro1,
  2. Giorgia Cortesi1,
  3. Alessandra Narcisi1,
  4. Claudia Abruzzese1,
  5. Francesca Romana Parisella2,
  6. Gabriele Ermini1,
  7. Severino Persechino1
  1. 1NESMOS, U.O.C. Dermatology, Sant'Andrea Hospital of Rome, II Unit University of Rome ‘Sapienza’, Rome, Italy
  2. 2Faculty of Biology, Towson University of Maryland, Towson, Maryland, USA
  1. Correspondence to Antonella Tammaro, NESMOS, U.O.C. Dermatology, Sant'Andrea Hospital of Rome, II Unit University of Rome ‘Sapienza’, Via di Grottarossa, 1035, Rome 00189, Italy; tammaroantonella{at}

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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 …

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