Wegener's granulomatosis (newly renamed granulomatosis with polyangiitis [WG/GPA]) is a granulomatous autoimmune inflammatory disorder of unknown etiology that is associated with anti-neutrophil ...

Wegener's granulomatosis/granulomatosis with polyangiitis is a fatal disease if left untreated, and the natural history is for only 50% of patients to survive 5 ...