Pruebas de parche como instrumento diagnóstico de las dermatitis por contacto ocupacionales
Skin patch testing (PT) is a basic diagnostic tool that complements the clinical and occupational history in the evaluation of occupational dermatoses. At the Occupational Disease Ambulatory Clinic, La Victoria Unit-Aragua, we performed PT on 29 workers, using the 23-allergen Standard European Batt...
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| Main Authors: | , |
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| Format: | Article |
| Language: | Spanish |
| Published: |
1998
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| Subjects: | |
| Online Access: | https://dialnet.unirioja.es/servlet/oaiart?codigo=6464386 |
| Source: | Salud de los Trabajadores, ISSN 1315-0138, Vol. 6, Nº. 1, 1998, pags. 31-39 |
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| Summary: |
Skin patch testing (PT) is a basic diagnostic tool that complements the clinical and occupational history in the evaluation of occupational dermatoses. At the Occupational Disease Ambulatory Clinic, La Victoria Unit-Aragua, we
performed PT on 29 workers, using the 23-allergen Standard European Battery (SEB)S-1000 and a specific battery of allergens not included in the SEB. lndications for PT included: a) occupational exposure to allergens; b) differential
diagnosis of contact irritant dermatitis; c) differential diagnosis of other eczematous skin lesions; and d) suspicion of an occupational cause in a case of contact dermatitis. Of the 29 workers, 78.5% were between the ages of 20 and
49; 65.5% were male; 34.4% worked in the metal-machining industry and 24.1% in the health sector; 48.2% were factory workers, 17.2% were administrative personnel and 10.4% were machinists. The upper extremity was the site of the skin lesions in 55% of workers. Nine workers (33%) had 2+ positive patch tests (8 on the SEB and 1 on the specific battery). A diagnosis of contact allergic dermatitis was made in 9 cases, contact irritant dermatitis in 16, lichen planus
(biopsy-proven) in 2 cases, dyshydrosis in 1 case and mycosis in another case. An occupational source was found in 19 cases, including 12 of the contact irritant dermatitis cases, 6 of the contact allergic dermatitides and the mycosis. Since 90% of all occupational skin disease consists of contact dermatitis, of which 30% is contact allergic dermatitis, it is important that occupational physicians be familiar with, and be trained in, the use of skin patch testing. |
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