ANCA
•Anti-neutrophil cytoplasmic autoantibodies (ANCA)
•U detection of autoantibodies associated with small vessel vasculitis
•U these autoantibodies are directed against:
•\ proteinase 3
•\ myeloperoxidase
•U these autoantibodies are detected using indirect immunofluorescence techniques
•U positive tests are further evaluated using ELISA technique