Skin is often involved w/ ANCA+ vasculitis - 1184 AAV pt study shows skin involvement in 34% GPA; 28% MPA & 47% EGPA. Common are petechiae/purpura pruritus, urticaria, and maculopapular rash. AAV w/ skin Sxs have more systemic dz (GN, alveolar hemorrhage) https://t.co/egPdW2IEnu