All of the following conditions are associated with raised ANCA except
High-Yield Explanation
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)