What is the prevalence of urticarial vasculitis?

Updated: Jun 07, 2018
  • Author: Darius Mehregan, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

The exact frequency of urticarial vasculitis is not known in the United States or worldwide.

Leukocytoclastic vasculitis displayed an incidence of 45 cases per million population from a study conducted in Olmsted County, Minnesota. [11]

Previous studies varied in their definitions of the condition. However, when a study in the United Kingdom used consistent criteria restricted to patients diagnosed with vasculitis by biopsy and with urticarial lesions of more than 3 months duration, 2.1% of 1310 patients with urticaria were found to have urticarial vasculitis


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