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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of dermatology 31 (1992), S. 0 
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of dermatology 22 (1983), S. 0 
    ISSN: 1365-4632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The genetic predisposition of nickel allergy was evaluated in 1,546 Danish female twins horn between 1906 and 1930. The twins were investigated primarily via a mailed questionnaire and were asked if they noticed redness, itching, or dermatitis when they came in contact with metal clasps or costume jewelry. The material was divided into two equal parts corresponding to the western and eastern parts of Denmark. The majority of the possible positives in the eastern part were examined and patch tested.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Skin research and technology 4 (1998), S. 0 
    ISSN: 1600-0846
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background/aims: During the last decade several new bioengineering methods have been proposed for evaluation of patch test reactions in a more objective manner. The aim of the present study was to investigate the usefulness of erythema index (DermaSpectrometer) in a clinical setting, i.e., reading of allergic patch tests.Methods: Twenty patients with known allergy to formaldehyde participated in the study. Each patient had patch tests for 2 days with formaldehyde solutions from 0 to 10,000 p.p.m. applied. Clinical reading of the test sites and measurement of the erythema index by the DermaSpectrometer were done 24 h after removal. A control group of 20 volunteers with no allergy to formaldehyde were tested in a similar way.Results: Erythema indices were significantly higher for visually rated positive patch tests than for negative tests (P〈0.05). The single categories of visually positive reactions (+?, +, ++, +++) could not be unambiguously separated by the DermaSpectrometer. The correlation between clinical readings and the formaldehyde concentration (Spearman's rank correlation coefficient, r=0.60) was higher than between DermaSpectrometer readings and the formaldehyde concentration (r=0.35).Conclusion: In a dilution series of formaldehyde patch testing, readings from a DermaSpectrometer were not found to give better information than visual readings.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the European Academy of Dermatology and Venereology 10 (1998), S. 0 
    ISSN: 1468-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 40 (1999), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: In a 2-year period, 1527 patients with contact dermatitis were investigated in the patch-test clinic. In 531 patients, allergy to cosmetics was suspected from the history and they were tested with their own cosmetic products. 40 (7.5%) (of the 531 patients) had 1 or more positive reactions, 82 (15.4%) had doubtfully positive reaction(s) and 31 (5.8%) had irritant reaction(s). Skin-care products were tested most frequently and were also found to cause most positive, doubtfully positive and irritant reactions. 80% of the patients with positive reactions to their own products had no history of contact dermatitis prior to the presenting attack, and in 92.5% of the cases, the positive reaction was considered relevant or partly relevant. In patients with a positive reaction, ingredients that could be responsible were found in 60% of the cases by testing with the European standard series and a series of common cosmetic ingredients. Fragrance mix and formaldehyde were found to be the ingredients most often responsible and were significantly more frequent in patients with positive reactions to their own products, compared to a control group of eczema patients also seen in the patch-test clinic.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Copenhagen : Munksgaard International Publishers
    Contact dermatitis 44 (2001), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Results from 3 1/2 years of routine patch testing with 3-iodo-2-propynyl-butylcarbamate (IPBC) are presented. From 1996 to 1999, a total of 3168 persons (2093 women and 1075 men) were patch tested with IPBC, and 7 cases were found to be positive. In 2 cases, sensitization could be attributed to cosmetics, and in a further 2 cases cosmetics were the most likely cause of sensitisation. It is concluded that the use of IPBC in cosmetic products can lead to contact sensitization and allergic contact dermatitis. 2 of the 7 reported cases with IPBC allergy were also found positive to thiuram, and possible cross-reactivity between IPBC and thiuram is discussed.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Our purpose was to investigate the eliciting threshold concentration of formaldehyde in formaldehyde-sensitive individuals in the occluded and non-occluded patch teat and to evaluate the relationship in repeated open application test (ROAT) with a product containing a formaldehyde releaser. 20 formaldehyde-sensitive patients and a control group of 20 healthy volunteer were included in the study. Occluded and non-occluded patch tests with formaldehyde solutions form 25 to 10,000 ppm. and ROAT for I week with a leave-on cosmetic product containing on average 300 ppm formaldehyde. Were carried out simultaneously on each subject. In the occluded patch test. 1/2 of the 20 patients only reacted to 10,000 ppm formaldehyde. 9 reacted to 5,000 ppm. 3 reacted to 1.000 ppm. 2 reacted to 500 ppm and I reacted to 25 ppm. No definite positive reactions were observed in the non-occluded patch test or in the ROAT No positive reactions were observed in the control group to any of the test procedures. We concluded that the threshold concentration for occluded patch test to formaldehyde in formaldehyde-sensitive patients was 250 ppm. The threshold in occluded patch test corresponded to the degree of sensitivity Definite positive reactions in the ROAT were not seen, either indicating that they are unlikely to happen with the type of product used or that the exposure time was too short.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 7 (1981), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The Copenhagen Telephone Company uses 800,000–900,000 sets of no carbon required paper per year. Since 1977 the employees have related itching, dermatitis and symptoms from the mucous membranes to contact with the paper.In 35 employees a total of 4000 epicutaneous tests were performed with negative results.A questionnaire study of 2400 in the company revealed a close relationship between the symptoms and the work intensity with the NCR paper.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 6 (1980), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The view generally held in the literature is that the frequent occurrence of concomitant nickel and cobalt sensitivity is due in simultaneous sensitization from -suspenders, jewelry, etc.In a study population consisting of 168 unselected female twins representing a random sample of the general population, only a few were found with concomitant nickel and cobalt sensitivity, and then mainly among those with hand dermatitis.Similar concomitant cobalt and nickel was found only in dermatological female patients with hand dermatitis. The conclusion is that concomitant nickel and cobalt sensitization from metal alloys worn in direct contact with the skin is rare and that cobalt sensitization is probably a phenomenon secondary to an already existing hand dermatitis.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Contact dermatitis 6 (1980), S. 0 
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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