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  • Title: Extramembranous glomerulonephritis in childhood: relationship to systemic lupus erythematosus.
    Author: Libit SA, Burke B, Michael AF, Vernier RL.
    Journal: J Pediatr; 1976 Mar; 88(3):394-402. PubMed ID: 1245950.
    Abstract:
    Extramembranous glomerulonephritis is an uncommon but distinct pathologic lesion in children. The diagnosis is established by the characteristic light, immunofluorescent, and ultrastructural abnormalities in renal biopsy specimens. This report describes seven of the ten children with this lesion studied in the past 11 years. Emphasis is given to the comparison of four children with idiopathic membranous glomerulonephritis with three others who presented with a nephrotic syndrome but subsequently developed evidence of systemic lupus erythematosus. Two of the latter three children, and three others with SLE and MGN not described in detail, demonstrated deposition of IgA by immunofluorescence along glomerular capillaries. Five of six children with SLE and MGN had microtubular structures in glomerular endothelial cells demonstrable by electron microscopy. These observations suggest that children with MGN require careful and continuing study for evidence of SLE.
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