Treatment results in remission for about 85% of patients with antineutrophil cytoplasmic antibody (ANCA)-associated small-vessel vasculitis; however, 11–57% of these suffer relapse, which can ...

Children with AAV and kidney disease face increased risks for long-term renal damage at 1 year, despite the majority achieving inactive renal disease by this time.

Figure 1: Renal biopsy specimen showing focal necrotizing glomerulonephritis in a patient with antineutrophil cytoplasmic antibody (ANCA)-associated microscopic polyangiitis. Kain et al.