[Glomerulonephritis in rheumatoid arthritis]

Results of a light optics morphological study of kidney biopsy material in 20 patients with rheumatoid glomerulonephritis supplemented by the data of immunofluorescent and electron microscopic diagnosis have been presented. All-round morphological investigation of biopsy material is the only proof for the presence of a renal lesion in 1/4 of the patients.