title: Quiz page. IgA nephropathy and superimposed pauci-immune necrotizing crescentic glomerulonephritis, the latter clinically typical of Wegener's granulomatosis.
authors.affiliation: Nephrology Associates, P.C., Nashville, TN, USA.
authors.forename: Vito K
authors.initials: VK
authors.lastname: Rocco
authors.forename: Robert G
authors.initials: RG
authors.lastname: Horn
authors.forename: Agnes B
authors.initials: AB
authors.lastname: Fogo
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D005921:Glomerulonephritis / Q000175:diagnosis*; D005922:Glomerulonephritis, IGA / Q000175:diagnosis*; D014890:Granulomatosis with Polyangiitis / Q000175:diagnosis*; D006801:Humans; D008875:Middle Aged