[Leukocytoclastic vasculitis]

Leukocytoclastic vasculitis is one of the more frequent syndromes of the spectrum of vasculitis. It represents a heterogeneous group of diseases, characterized by the cutaneous phenomenons of palpable purpura and persistent urtica, and the histologic patterns of vessel wall necrosis, leukocytoclasia, and hemorrhage. Pathogenetic and clinical aspects, just as therapeutic approaches are discussed in this report.