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  • Title: Clinical significance of renal biopsies showing mixed mesangial and global proliferative lupus nephritis.
    Author: Baumal R, Farine M, Poucell S.
    Journal: Am J Kidney Dis; 1987 Sep; 10(3):236-40. PubMed ID: 3631071.
    Abstract:
    Renal biopsies of 70 children with systemic lupus erythematosus were categorized, according to the World Health Organization classification, as normal (five, 7%), mesangial (23, 33%), focal segmental proliferative (11, 16%), diffuse global proliferative (20, 29%) (ie, greater than or equal to 80% of glomeruli showing mesangioendothelial cell proliferation and/or deposition of immune complexes along the subendothelial margin of glomerular capillaries), and membranous (six, 8%) lupus nephritis (LN). In addition, five (7%) biopsies showed global proliferative LN in less than 80% of glomeruli and mesangial LN in the others. We assessed the renal status of these five patients at the time of renal biopsy and at outcome following prednisone treatment, with or without azathioprine. Four patients improved and later had either a normal urinalysis or only trace proteinuria. A low chronicity index was calculated on the biopsies of these patients. The fifth patient, whose condition did not improve, demonstrated a high chronicity index on renal biopsy. Overall, the renal status at outcome in the patients showing mixed mesangial and global proliferative LN more closely resembled that of patients with mesangial than diffuse global proliferative LN.
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