<unk>  polyangiitis must be differentiated from other diseases that cause purpura, alveolar hemorrhage, fever, arthralgia, myalgia, necrotizing extra-capillary glomerulonephritis, such as Granulomatosis with polyangiitis and Eosinophilic granulomatosis with polynagiitis.
Microscopic polyangiitis differential diagnosis
Granulomatosis with polyangiitis differential diagnosis
Goodpasture syndrome differential diagnosis
Rapidly progressive glomerulonephritis differential diagnosis
Granulomatosis with polyangiitis diagnostic study of choice
Focal segmental glomerulosclerosis differential diagnosis
Uveitis differential diagnosis
Hemosiderosis differential diagnosis