<prompt> c-ANCA is characteristic for :Polyaeritis NodosaR.P.G.N.Henochs Schonlein PurpuraWegeners granulomatosis  <response>: Answer is D Wegeners granulomatosis : Antineutrophilic cytoplasmic antibody directed against cytoplasmic proteinase-3 cANCA is found in 90-95 if patients with Wegeners granulomatosis. 