
Leukocytoclastic vasculitis is characterized by infiltration of polymorphonuclear leucocytes with leukocytoclastic (presence of nuclear pigments) and fibrinoid necrosis affecting the small vessels. Henoch-Schönlein purpura is characterized by non thrombocytopenic purpura, arthritis and arthralgia, abdominal pain and renal involvement. Hypocomplementemic urticarial vasculitis and cryoglobulinemia are exceptional in childhood.
Male, Adolescent, IgA Vasculitis, Urticaria, Infant, Newborn, Infant, Cryoglobulinemia, Child, Preschool, Humans, Female, Kidney Diseases, Child
Male, Adolescent, IgA Vasculitis, Urticaria, Infant, Newborn, Infant, Cryoglobulinemia, Child, Preschool, Humans, Female, Kidney Diseases, Child
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