Urticaria and vasculitis: a continuum of histological and immunopathological changes.


Histopathological criteria were used to classify twenty-four patients with chronic urticaria into three groups, which were then studied to establish whether circulating immune complexes (CICs), complement activation and deposition of immunoreactants are confined to patients with urticarial vasculitis. Group I (three patients) had classical urticarial… (More)


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