Abstract
Patients with nickel allergy and different types of eczema with and without atopy were given a single oral dose of nickel sulfate. Blood levels and urinary excretion were determined by atomic absorption spectrophotometry. Urinary excretion of nickel was found to be dependent on age, decreasing with increasing age. When difference in age between the eczema groups was taken into account, the level of nickel in urine was significantly (p < 0.005) higher in the two atopy groups compared to the controls. This may indicate a higher intestinal absorption of nickel in atopic skin disease.
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