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[Cutaneous histopathologic changes in laboratories working in the processing of petroleum]
1Istituto di Medicina del Lavoro, Policlinico Universitario Pad. H, Via C. Valeria 1-Gazzi, 98124 Messina.
La Medicina Del Lavoro
|May 23, 2001
Summary
Occupational gasoline exposure in workers caused non-specific skin changes, including dermal inflammation and increased Langerhans cells. These alterations suggest a risk of developing irritant contact dermatitis from prolonged skin contact.
Area of Science:
- Dermatology
- Occupational Health
- Toxicology
Context:
- Petroleum derivatives, including gasoline, are complex mixtures absorbed through the skin.
- Occupational exposure to gasoline can lead to various skin conditions, from cancer to dermatitis.
- Quantifying skin exposure to petroleum derivatives remains a challenge.
Purpose:
- To investigate the histomorphological and immunological effects of prolonged, low-level occupational gasoline exposure on workers' skin.
- To evaluate specific cellular and tissue changes in response to repeated skin contact with gasoline.
Summary:
- Histological examination of skin biopsies from 10 gasoline-exposed workers revealed perivascular lympho-plasma cell infiltration and scattered leukocytes in the dermis.
- A mild increase in epidermal Langerhans cells was noted, while Ki-67 antigen detection in keratinocytes showed normal proliferation.
- The observed skin alterations were non-specific, resembling reactions to various irritants, and indicative of potential contact dermatitis.
Impact:
- Findings highlight the potential for gasoline exposure to induce subclinical skin inflammation and immune responses.
- The study suggests that these non-specific skin changes may predispose individuals to irritant contact dermatitis in occupational settings.
- This research contributes to understanding the dermatological risks associated with chronic exposure to gasoline in the workplace.