Histopathologic classification of ANCA-associated glomerulonephritis - PubMed (original) (raw)
. 2010 Oct;21(10):1628-36.
doi: 10.1681/ASN.2010050477. Epub 2010 Jul 8.
Franco Ferrario, E Christiaan Hagen, David R Jayne, J Charles Jennette, Kensuke Joh, Irmgard Neumann, Laure-Hélène Noël, Charles D Pusey, Rüdiger Waldherr, Jan A Bruijn, Ingeborg M Bajema
Affiliations
- PMID: 20616173
- DOI: 10.1681/ASN.2010050477
Histopathologic classification of ANCA-associated glomerulonephritis
Annelies E Berden et al. J Am Soc Nephrol. 2010 Oct.
Abstract
Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis is the most common cause of rapidly progressive glomerulonephritis worldwide, and the renal biopsy is the gold standard for establishing the diagnosis. Although the prognostic value of the renal biopsy in ANCA-associated glomerulonephritis is widely recognized, there is no consensus regarding its pathologic classification. We present here such a pathologic classification developed by an international working group of renal pathologists. Our classification proposes four general categories of lesions: Focal, crescentic, mixed, and sclerotic. To determine whether these lesions have predictive value for renal outcome, we performed a validation study on 100 biopsies from patients with clinically and histologically confirmed ANCA-associated glomerulonephritis. Two independent pathologists, blinded to patient data, scored all biopsies according to a standardized protocol. Results show that the proposed classification system is of prognostic value for 1- and 5-year renal outcomes. We believe this pathologic classification will aid in the prognostication of patients at the time of diagnosis and facilitate uniform reporting between centers. This classification at some point might also provide means to guide therapy.
Comment in
- ANCA-associated glomerulonephritis: a new histopathological classification.
Allison SJ. Allison SJ. Nat Rev Nephrol. 2010 Dec;6(12):689. doi: 10.1038/nrneph.2010.145. Nat Rev Nephrol. 2010. PMID: 21155065 No abstract available.
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