All of the following conditions are associated with raised ANCA except: (A) Wegener granulomatosus, (B) Polyaeritis nodosa, (C) Microscopic poly angitis, (D) Churg strauss syndrome
Answer is B. Classification of vasculitis Large vessel vasculitis *Giant cell (temporal) aeritis - seen in >50yrs of age*Takayasu aeritis - seen in <50yrs of age Medium vessel vasculitis *Polyaeritis nodosa - necrotizing inflammation of renal vessels. Spares pulmonary vessels. *Kawasaki disease - seen in <5yrs of age Small vessel vasculitis *Wegener granulomatosis -positive for c-ANCA(Ab against proteinase 3)*Churg strauss and microscopic polyangitis - positive for p-ANCA (Ab against myeloperoxidase) (Ref: Robbins 8/e p511)