immune complex mediated vasculitis secondary interstitial lung disease specific to childhood associated with a systemic vasculitis immunoglobulin a vasculitis GARD:0008204 Henoch Schonlein purpura Henoch-SchC6nlein purpura ICD10:D69.0 IgA vasculitis MONDO:0019167 Orphanet:761 SCTID:86074002 SchC6nlein-Henoch purpura (SHP) is a systemic IgA vasculitis that affects small vessels. It is characterized by skin purpura, arthritis, and abdominal and/or renal involvement. anaphylactoid purpura purpura rheumatica purpura, Schonlein-Henoch rheumatoid purpura vascular purpura secondary glomerular disease