The incidence is 10–20 cases per million per year. It is exceedingly rare in Japan and in African Americans.
Granulomatosis with polyangiitis
Microscopic polyangiitis
Polyarteritis nodosa
Thromboangiitis obliterans
Eosinophilic granulomatosis with polyangiitis
Lupus vasculitis
Nephrogenic systemic fibrosis
Transplant glomerulopathy