Thirty-two adult patients with atopic dermatitis were studied at the Allergology Service of the "Hnos. Ameijeiras" Clinical Surgical Hospital. The diagnosis was established following the criteria of Hanifin and Lobitz. A detailed medical history was written for the patients; the study of some immunological parameters, such as the serum immunoglobulin quantification, delayed skin tests with a battery of antigens, and the spontaneous rosette-test, was also carried out. Almost all the patients showed serum IgE values above 150 UI, by means of the ELISA test modified by C.E.N.I.C. The mean values of the spontaneous rosette-test were low; this was more noticeable during the exacerbation period of the lesions. Candida sp, Mantoux and Streptokinase-Streptodornase antigens showed negative results in a high proportion of patients with atopic dermatitis, in relation with the control group. In atopic dermatitis, there are humoral disorders of immunity; this was demonstrated in our group by increased values of IgE and cellular disorders due to skin anergy, and to a low percentage of rosette forming cells; this does not allow to state that these phenomena have an active participation in the etiopathogenesis of this entity.
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