<prompt> Small vessel vasculitis are -a Classical PANb Wegners granulomatosisc Giant cell arteritis d HSPe Churg-strauss syndromebdeadeacebce  <response>: a Large vessel vasculitis: Giant cell arteritis temporal arteritis, Takayasu arteritis, Cogan syndrome.b Medium vessel vasculitis: PAN classical PAN, kawasaki disease, Buergers disease.c Small vessel vasculitis ; HSP, Wegners granulomatosis, microscopic polyangitis, churg strauss syndrome, Cryoglobulinemia, SLE, idiopathic crescentic glomerulonephritis, Bechets syndrome, renal limited vasculitis 