Table 1.

Classification of vasculitis by size of vessel involvement.

Large vessel

Takayasu arteritis

Giant cell arteritis

Medium vessel

Kawasaki disease

Polyarteritis nodosa

Small vessels

ANCA-associated vasculitis

Wegener's granulomatosis

Microscopic polyangiitis

Churg—Strauss syndrome

Henoch—Schönlein purpura

Cryoglobulinemic vasculitis

Cutaneous leukocytoclastic vasculitis

Adapted from Jennette et al. [1994]. ANCA, circulating antineutrophil cytoplasmic antibodies.