Article: article from journal or magazin.
Mastocytosis and atopy: a study of 33 patients with urticaria pigmentosa
Journal Article --- Old month value: Nov
Thirty-three patients with histologically verified urticaria pigmentosa were studied for coexisting atopic disease by means of history, skin prick testing with five common inhalants and serological investigation for total IgE and specific IgE antibodies to five common inhalants. The prevalence of atopy in urticaria pigmentosa was similar to that observed in the normal Swiss population, both on the basis of history (7/33 = 21%) and of positive skin prick tests to common inhalants (12/33 = 36%). However, total serum IgE levels were significantly lower (geometric mean value 16.8 kU/l) than in a control group of 52 Swiss blood donors of comparable age and sex distribution (geometric mean value 43.0 kU/l, t = 2.93, P less than 0.005). Specific IgE antibodies to common inhalants were also observed less frequently in urticaria pigmentosa patients than in controls, although this difference was not statistically significant. Low total and specific IgE values in patients with urticaria pigmentosa may be explained by increased absorption of circulating IgE to abundant tissue mast cells.
Adolescent Adult Aged Allergens/immunology Child Child, Preschool Female Humans Hypersensitivity, Immediate/*complications/immunology Immunoglobulin E/analysis/immunology Infant Male Mastocytosis/*complications/immunology Middle Aged Questionnaires Urticaria Pigmentosa/*complications/immunology Venoms/immunology
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