MedlinePlus Medical Encyclopedia: Vasculitis, urticarial on the hand

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Vasculitis, urticarial on the hand

These red (erythematous), hive-like (urticarial) spots (plaques) are caused by inflammation of the blood vessels (urticarial vasculitis) and do not change over a 24-hour period. They may or my not turn white (blanch) with pressure.

Update Date: 4/28/2006

Updated by: Michael Lehrer, M.D., Department of Dermatology, University of Pennsylvania Medical Center, Philadelphia, PA. Review provided by VeriMed Healthcare Network.

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