title: Systemic vasculitis--is it time to reclassify?
authors.forename: Richard A
authors.initials: RA
authors.lastname: Watts
authors.forename: Ravi
authors.initials: R
authors.lastname: Suppiah
authors.forename: Peter A
authors.initials: PA
authors.lastname: Merkel
authors.forename: Raashid
authors.initials: R
authors.lastname: Luqmani
mesh_terms: D056648:Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis / Q000175:diagnosis / Q000276:immunology / Q000473:pathology; D019268:Antibodies, Antineutrophil Cytoplasmic / Q000097:blood; D001706:Biopsy; D015267:Churg-Strauss Syndrome / Q000175:diagnosis / Q000276:immunology / Q000473:pathology; D003937:Diagnosis, Differential; D014890:Granulomatosis with Polyangiitis / Q000175:diagnosis / Q000276:immunology / Q000473:pathology; D006801:Humans; D056647:Systemic Vasculitis / Q000145:classification* / Q000175:diagnosis*; D013625:Takayasu Arteritis / Q000175:diagnosis / Q000276:immunology / Q000473:pathology; D018366:Vasculitis, Leukocytoclastic, Cutaneous / Q000175:diagnosis / Q000276:immunology / Q000473:pathology
chemical_list: D019268:Antibodies, Antineutrophil Cytoplasmic