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[Must renal biopsy be still performed in "lipoid nephrosis"? (author's transl)].

In 52 out of 272 children with one of the following diseases: nephrotic or nephritic syndrome, persistent humaturia and/or proteinuria, renal biopsy was performed on the basis of commonly accepted indications. 18 biopsies were from patients with a clinical picture of lipoid nephrosis and clinical course of "non responders" or "frequent relapsers" types. All of them showed the histologic pattern of minimal changes and had a value of Y index according to ISKCD greater than 0,85. Moreover all patients with minimal changes nephrotic syndrome had a Y index greater than 0.85. If these observations will be confirmed renal biopsy would not later be indicated in children with "lipoid nephrosis".