Small vessel vasculitis are -a) Classical PANb) Wegner's granulomatosisc) Giant cell arteritis d) HSPe) Churg-strauss syndrome

a) Large vessel vasculitis: Giant cell arteritis (temporal arteritis), Takayasu arteritis, Cogan syndrome. b) Medium vessel vasculitis: PAN (classical PAN), kawasaki disease, Buerger’s disease. c) Small vessel vasculitis ; HSP, Wegner’s granulomatosis, microscopic polyangitis, churg strauss syndrome, Cryoglobulinemia, SLE, idiopathic crescentic glomerulonephritis, Bechet’s syndrome, renal limited vasculitis