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Henoch-Schonlein purpura is a small vessel vasculitis mediated by the deposition of IgA immune complexes. It is characterized by palpable purpura, arthralgia / arthritis, abdominal and renal involvement. Its etiology remains unknown, but various stimuli have been proposed to trigger this pathology, namely infectious agents, drugs and tumor antigens. There is also a possible association with malignancy and auto-immune diseases. Henoch-Schonlein purpura occurs mostly in children and is rare in adults. In the pediatric population the disease is generally self-limited, whereas in adults it is associated with a worse prognosis and a greater number of complications. This article reviews the main aspects of adult Henoch-Schonlein purpura, highlighting its particularities and specificities.

Púrpura de Henoch-Schönlein (Vasculite por IgA) no Adulto