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Lupus nephritis associated with positive MPO-ANCA in a patient with underlying autoimmune hemolytic anemia

Lupus nephritis associated with positive MPO-ANCA in a patient with underlying autoimmune... A 19-year-old female was admitted with general malaise and systemic edema. She had been diagnosed as having autoimmune hemolytic anemia (AIHA) eight years earlier and was successfully managed with oral prednisolone. During the current admission, she was diagnosed as having systemic lupus erythematosus (SLE) based on the presence of renal involvement, hematological abnormalities, and antinuclear and anti-double-stranded DNA antibodies, along with a recurrence of AIHA; her serology revealed a high myeloperoxydase-antineutrophil cytoplasmic antibody (MPO-ANCA) titer. She was treated with prednisolone (50 mg day−1), but her renal function started to deteriorate. She responded to treatment with hemodialysis, plasmapheresis, and methylprednisolone pulse therapy; her MPO-ANCA titer and renal function improved. Treatment with intravenous cyclophosphamide gradually suppressed her AIHA and SLE activity. A renal biopsy revealed a diffuse proliferative lupus nephritis (class IV-G (A)) with necrotizing crescentic glomerulonephritis that was presumed to be associated with MPO-ANCA. The association of MPO-ANCA with SLE in this refractory case is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Clinical and Experimental Nephrology Springer Journals

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References (17)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Japanese Society of Nephrology
Subject
Medicine & Public Health; Nephrology; Urology
ISSN
1342-1751
eISSN
1437-7799
DOI
10.1007/s10157-008-0058-1
pmid
18465193
Publisher site
See Article on Publisher Site

Abstract

A 19-year-old female was admitted with general malaise and systemic edema. She had been diagnosed as having autoimmune hemolytic anemia (AIHA) eight years earlier and was successfully managed with oral prednisolone. During the current admission, she was diagnosed as having systemic lupus erythematosus (SLE) based on the presence of renal involvement, hematological abnormalities, and antinuclear and anti-double-stranded DNA antibodies, along with a recurrence of AIHA; her serology revealed a high myeloperoxydase-antineutrophil cytoplasmic antibody (MPO-ANCA) titer. She was treated with prednisolone (50 mg day−1), but her renal function started to deteriorate. She responded to treatment with hemodialysis, plasmapheresis, and methylprednisolone pulse therapy; her MPO-ANCA titer and renal function improved. Treatment with intravenous cyclophosphamide gradually suppressed her AIHA and SLE activity. A renal biopsy revealed a diffuse proliferative lupus nephritis (class IV-G (A)) with necrotizing crescentic glomerulonephritis that was presumed to be associated with MPO-ANCA. The association of MPO-ANCA with SLE in this refractory case is discussed.

Journal

Clinical and Experimental NephrologySpringer Journals

Published: Oct 1, 2008

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