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  • Title: [Nickel allergy in contact and atopic dermatitis].
    Author: Antoszczyk G, Obtułowicz K, Wojas-Pelc A, Szmigiel-Michalak K, Bogdaszewska-Czabanowska J, Obtułowicz A.
    Journal: Przegl Lek; 2003; 60(5):334-7. PubMed ID: 14593674.
    Abstract:
    The study is aimed to determine the importance of type I and type IV allergy in eczema caused by allergy to nickel. The study was performed at 55 patients (42 women, 13 men, aged 16-58 yrs) suffering from hand dermatitis (19 cases), disseminated eczema (22 cases) and atopic dermatitis (14 cases) with positive skin patch test to 2.5% nickel sulphate. In each patients history of illness was analyzed, total serum IgE level (tIgE) was estimated and specific IgE (sIgE) for nickel and also absolute blood eosinophils and basophils counts were estimated for the evaluation of the atopy features. In each patient patch skin test with different nickel sulphate dilutions were performed as well as skin prick tests with different dilutions of nickel sulphate. The following oral provocation tests were carried out with the nickel sulphate in doses 0.56 mg, 1.12 mg, 2.24 mg, 5.6 mg and 11.2 mg. The test was stopped at the dose provoking the symptoms of illness. Positive family history, the increased tIgE serum level as well as absolute counts of eosinophils and basophils were present in some patients with atopic and contact dermatitis and they were not useful in differential diagnosis of this forms of skin allergy. Skin patch test with different concentrations of nickel sulphate was helpful to establish the degree of contact sensitivity in all patients. The oral provocation test with different dose of nickel sulphate also provoked symptoms in some patients in each observed groups, but the reaction to the lowest dose was observed only in patients with atopic dermatitis. Specific IgE to nickel as well as skin prick testing also with different dilutions of nickel sulphate are not useful in the diagnosis of nickel allergy. In the all examined patients they were negative. It seems that both types of allergy (type I and IV) may take part in the patho-mechanism of atopic and contact skin allergy with alternate prevalence of one of its depending on patient condition.
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