title: [Microscopic polyangiitis in a patient with rheumatoid arthritis].
abstract: Rheumatoid arthritis (RA) is a systemic disorder that primary involves joints, although renal disease has also been associated it is not common that rapidly progressive glomerulonephritis (RPGN) appears. We report the case of a patient with nodular and aggressive RA who had an acut renal failure secondary to ANCA positive RPGN due to a Microscopic polyangiitis who was not responsive to steroids and cyclophosphamide therapy.
authors.affiliation: Servicio de Nefrología, Hospital Universitario Marqués de Valdecilla, Santander. mpalomar@wanadoo.es
authors.forename: R
authors.initials: R
authors.lastname: Palomar
authors.forename: O
authors.initials: O
authors.lastname: Castañeda
authors.forename: E
authors.initials: E
authors.lastname: Rodrigo
authors.forename: J C
authors.initials: JC
authors.lastname: Ruiz San-Millán
authors.forename: J
authors.initials: J
authors.lastname: Martín Gago
authors.forename: P
authors.initials: P
authors.lastname: Morales
authors.forename: J
authors.initials: J
authors.lastname: Cuevas
authors.forename: A L M
authors.initials: AL
authors.lastname: de Francisco
authors.forename: J F
authors.initials: JF
authors.lastname: Val-Bernal
authors.forename: M
authors.initials: M
authors.lastname: Arias
mesh_terms: D058186:Acute Kidney Injury / Q000209:etiology* / Q000276:immunology; D000368:Aged; D019268:Antibodies, Antineutrophil Cytoplasmic / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000150:complications*; D018450:Disease Progression; D005260:Female; D005921:Glomerulonephritis / Q000209:etiology* / Q000276:immunology; D006801:Humans; D014657:Vasculitis / Q000209:etiology* / Q000276:immunology
chemical_list: D019268:Antibodies, Antineutrophil Cytoplasmic