Catalog
Antineutrophil cytoplasmic antibody-associated vasculitis
Link to WHO Definition
Antineutrophil cytoplasmic antibody-associated vasculitis – http://id.who.int/icd/entity/1404622826
Necrotizing vasculitis, with few or no immune deposits, predominantly affecting small vessels (i.e., capillaries, venules, arterioles and small arteries), associated with MPO-ANCA or PR3-ANCA. Not all patients have ANCA. Add a prefix indicating ANCA reactivity, e.g. PR3-ANCA, MPO-ANCA, ANCA-negative.