Figure 1.

Approach to the diagnosis of vasculitis syndrome. TAK, Takayasu arteritis; GCA, giant cell arteritis; PAN, polyarteritis nodosa; MPA, microscopic polyangiitis; EGPA, eosinophilic granulomatosis with polyangiitis; GPA, granulomatosis with polyangiitis; aGBM, antiglomerular basement membrane disease; IgAV, IgA vasculitis; CV, cryoglobulinemic vasculitis; RV, rheumatoid vasculitis. Revised from reference 3. Kawasaki disease is excluded in this diagnostic procedure because the diagnostic procedure for Kawasaki disease is based solely on characteristic clinical signs and symptoms