Formerly known as Wegener's<unk> 
c-ANCA associated systemic necrotizing vasculitis
Small- and medium-sized blood vessels
Predilection for upper and lower respiratory tracts and kidneys
Granulomatosis with polyangiitis
Polyarteritis nodosa, Eosinophilic granulomatosis with polyangiitis 
Polyarteritis nodosa
Lymphoma, lung cancer
Thromboangiitis obliterans
Pneumonia, infective endocarditis, HUS
Eosinophilic granulomatosis with polyangiitis
Glomerulonephritis