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During the examination in the Department of Pulmonology, a high titer of anti-neutrophil cytoplasmic antibodies (ANCA) to proteinase-3 was detected in two independent laboratories. emoji
Granulomatosis with polyangiitis (GPA) is a necrotizing vasculitis of small and medium-sized vessels; it belongs to the vasculitides associated with anti-neutrophil cytoplasmic antibodies (ANCA). emoji