[Nephrotic syndrome in systemic lupus erythematosus].

Systemic lupus erythematosus as one of the most important connective tissue diseases represents an outstanding disease commonly associated with nephrotic syndrome. The author reviews important facts relating to ethology and pathogenesis of the disease emphasising the renal involvement. Personal observations concerning systemic lupus erythematosus as an ethological factor of nephrotic syndrome as well as relevant diagnostic and therapeutic procedures are presented.