[The puzzle of glomerulonephritides is closer to be saved]

Glomerulonephritides are a mixed group of kidney diseases, the diagnosis and classification of which being based on renal biopsy. Over the last few years revolutionary findings on the pathogenesis of these diseases have been made. Above all the previously obscure immunopathogenesis of focal segmental glomerulosclerosis and membranous nephropathy have begun to unravel. New ideas are bringing new diagnostic methods to the diagnostics and monitoring of these diseases. At the same time their treatments are increasingly focusing on the underlying immunological phenomena.