
📋Overview
Henoch-Schönlein purpura (HSP), now commonly referred to as IgA vasculitis, is a small-vessel vasculitis characterized by inflammation and deposition of immunoglobulin A (IgA) immune complexes. It primarily affects the skin, joints, gastrointestinal tract, and kidneys. The term Henoch-Schönlein purpura is a legacy eponym; the preferred modern term is IgA vasculitis.
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