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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We describe a young man with dissecting folliculitis of the scalp, who subsequently developed marginal keratitis. We are unaware of any previous reports of this association. The aetiology of dissecting folliculitis is thought to relate to abnormal follicular occlusion with subsequent suppuration, although an infective process has never been established. Marginal keratitis is postulated, but not proven, to be caused by an enhanced immune response to Staphylococcus aureus antigens. We suggest that a similar abnormal response to infection may be important in these two conditions. This case also highlights ocular complications which may occur in patients with dissecting folliculitis.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Endotoxins found in occupational settings constitute a risk factor in the severity of respiratory allergic symptoms.Objectives To assess the airborne concentrations of major rat allergen (Rat n 1) and endotoxin under various circumstances.Methods We took 483 airborne samples from 12 sites: 114 individual samples for endotoxin measurements and 113 for Rat n 1, from 38 workers (nine animal technicians, nine laboratory technicians, nine scientists and 11 students); and 256 static samples in rat rooms and experimental rooms, with or without disturbance, for simultaneous endotoxin and Rat n 1 measurements. Rat n 1 was measured with a two-site monoclonal ELISA and endotoxins with the Limulus method.Results Airborne Rat n 1 and endotoxin were significantly higher in rat rooms than in experimental rooms. Animal technicians had the greatest exposure to both Rat n 1 and endotoxin. Cage cleaning and rat feeding induced the highest exposure to Rat n 1 and endotoxin. Furthermore, we observed no significant difference in endotoxin exposure between researchers with or without rat contact during the sample period. There was no correlation between the number of rats present and airborne endotoxin concentrations.Conclusions Exposure to airborne Rat n 1 and endotoxin is higher during cleaning and feeding tasks than during any other task, we feel that a major source of both is contaminated bedding that becomes airborne during disturbance.
    Type of Medium: Electronic Resource
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