Dermatitis Caused by a Copying Paper

Kendrick, Frank J.

doi:10.1001/archderm.1958.01560030080015

Cited by 10 publications

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“…It is also used as an antioxidant in certain phototypesetting and copying papers. PTBC in a phototypesetting paper and Thermo-Fax copying paper has caused several cases of sensitization since the 1950s (1)(2)(3)(4)(5). Laurell (6) described dermatitis on the face of a worker in a PVC factory where PTBC was used to prevent PVC polymerization (7).…”

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Active sensitization and occupational allergic contact dermatitis caused by para‐tertiary‐butylcatechol

et al. 1998

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Para-tertiary-butylcatechol (PTBC) is a rare allergen which is used in the rubber, paint and petroleum industries. We present 9 patients who were sensitized to PTBC and examined at the Finnish Institute of Occupational Health (FIOH) between 1974 and 1995. 3 of the patients had been exposed to PTBC in their work. 2 of them also had allergic reactions to para-tertiary-butylphenol (PTBP)-formaldehyde resin and to PTBP. 5 of the patients became sensitized to PTBC from patch testing. PTBC was found to be one of the most common causes of active sensitization in our clinic. Accordingly, at the FIOH, the patch test concentration of PTBC was lowered to 0.25% and this lower concentration is recommended for general use.

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confidence: 99%