 Differential diagnosis Polyarteritis nodosa rarely affects the blood vessels of the lungs and this feature can help to differentiate it from other vasculitides , which may have similar signs and symptoms (e.g., granulomatosis with polyangiitis or microscopic polyangiitis).
<fluency>  Differential diagnosis Polyarteritis nodosa rarely affects the blood vessels of the lungs and this feature can help to differentiate it from other vasculitides , which may have similar signs and symptoms (e.g., granulomatosis with polyangiitis or microscopic polyangiitis).
 Differential diagnosis Polyarteritis nodosa rarely affects the blood vessels of the lungs and this feature can help to differentiate it from other vasculitides that may have similar signs and symptoms (e.g., granulomatosis with polyangiitis or microscopic polyangiitis).