Summary
In glomerulonephritis accompanying the Schönlein-Henoch syndrome (SHS) a characteristic subepithelial basement membrane change is present in 85% of cases. The subepithelial change is a reaction to subepithelial deposits and consists of a garland or dome-like new formation of thin densa lamellae. This change is much more frequent in SHS than in IgA-nephritis or idiopathic glomerulonephritis or any other systemic disease. Furthermore, subepithelial deposits (50% of cases) are nearly as frequent as subendothelial deposits (65%) and more often present than formerly assumed.
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Zollinger, H.U., Mihatsch, M.J., Gaboardi, F. et al. Schönlein-Henoch Glomerulonephritis. Virchows Arch. A Path. Anat. and Histol. 388, 155–165 (1980). https://doi.org/10.1007/BF00430684
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DOI: https://doi.org/10.1007/BF00430684