Hymenoptera sting anaphylaxis and urticaria pigmentosa: clinical findings and results of venom immunotherapy in ten patients.

Abstract

BACKGROUND Occasional patients with urticaria pigmentosa and anaphylaxis after Hymenoptera stings have been described. In this situation the question arises: Is anaphylaxis IgE-mediated or induced by pharmacologic mediator release from mast cells? METHODS We investigated 10 patients with histologically confirmed urticaria pigmentosa and a history of… (More)

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