[Laboratory diagnostics of ANCA-vasculitis].

The antineutrophil cytoplasmic antibody (ANCA) are associated with distinct forms of primary small vessel vasculitides, collectively reffered to as ANCA-associated vasculitis (AAV). ANCA were originally identified by IIF. Importantly, however, only ANCA directed to PR3 (PR3-ANCA) or MPO (MPO-ANCA) are relevant for the diagnosis AAV, there is international consensus that ANCA should be detected by…