Henoch–Schoenlein Purpura

Abstract Henoch–Schoenlein purpura is a leukocytoclastic vasculitis of childhood characterized by abdominal pain, bloody diarrhea, petechiae, and potential risk of renal involvement. Endoscopy of the small bowel shows ulcerous hemorrhagic enteritis, together with a wide range of elementary lesions. This article is part of an expert video encyclopedia.