Mast cell numbers in the mucosa of the inferior turbinate in patients with perennial allergic rhinitis: a light microscopic study

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Abstract
The number of mast cells in the inferior turbinate from patients with perennial allergy due to house dust mite were compared with ten normal controls. Ten random high powered fields were counted in the epithelium and the submucosa in samples which had been divided into two and fixed either in aqueous formaim or Carnoy's fixative. The sections from each block were stained with either Azure A or Chloroacetate esterase technique. No statistical differences were found. The lack of increase in mast cell numbers was attributed to degranulation since numbers have been shown to be increased in perennial allergy when sections are examined ultrastructurally.

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