A Correlative Study of Immunofluorescence, Electron, and Light Microscopy in Immunologically Mediated Renal Tubular Disease in Man

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Abstract
Renal biopsy specimens obtained from patients with various chronic nephropathies were studied by immunofluorescence (IF), electron and light microscopy. Of 49 biopsies studied by IF, 22 had granular deposits of IgG and/or C3 along the basement membranes of proximal tubules while 14 had linear and 13 both linear and granular deposits. The possible importance of immunologically mediated renal tubular lesions in chronic nephropathies is discussed.