The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
Kidney Disease in Systemic Lupus Erythematosus (SLE) of Children -Morphometric Analysis of Kidneys from Autopsy Cases-
TAKASHI SAWAIMIWA UZUKINORIKO SATOH
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1995 Volume 177 Issue 2 Pages 139-151

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Abstract

SAWAI, T., UZUKI, M. and SATOH, N. Kidney Disease in Systemic Lupus Erythematosus (SLE) of Children-Morphometric Analysis of Kidneys from Autopsy Cases-. Tohoku J. Exp. Med., 1995, 177(2), 139-151-We have investigated the histopathological changes of kidney from 16 autopsy cases of children with systemic lupus erythematosus (SLE) using morphometric and immunohistochemical methods. These 16 cases accounted for 61% of the child autopsy cases with SLE registered in the data base “Annual of the Pathological Autopsy Cases in Japan” during the nine years from 1984 to 1992. Based on the histologic and morphometric findings, we divided the SLE-associated renal disease into three types: glomerular (3 cases), vascular (3 cases) and non-renal (10 cases) types. The glomerular and vascular types had renal lesions, while in the non-renal the main changes were found in extrarenal tissues. Of the 16 cases examined, three showed diffuse proliferative glomerulonephritis, with one of the three having crescentic formations in the glomeruli. Two of the three had wire-loop lesions. Recently the crescentic or wire-loop lesions are rarely experienced even in renal biopsy and autopsy of adult cases. The vascular type was characterized by necrotizing angiitis (1 case) and severe intimal thickening of interlobular arteries (2 cases), but they had no advanced glomerular lesion. Morphometric methods allowed us to demonstrate that the severity of arterial lesions, especially intimal thickening, does not correlate with that of glomerular lesions in children.- systemic lupus erythematosus (SLE); children; kidney; histopathology; morphometry

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