[Idiopathic steroid-resistant nephrotic syndrome in child : study of 20 cases].

Background: Idiopathic steroid-resistant nephrotic syndrome (ISRNS) is rare and represents a significant therapeutic dilemma for paediatricians and paediatric nephrologists.

Aim: To analyze characteristics of the ISRNS in the child.

Methods: Retrospective study of 20 cases of ISRNS enrolled in paediatric department of nephrology in Sahloul hospital (Tunisia) between June 1993 and December 2007 (14 years period).

[Lupus nephritis in childhood: clinical and evolutive study of 14 cases].

Background: Renal involvement is one of the most severe and frequent manifestations of the systemic lupus erythematosus (SLE). Aim : In this study, we analyzed clinical and evolutive particularities of 14 paediatric cases of lupus nephritis (LN).

Methods: It's a retrospective study in 14 children with lupus nephritis followed-up in the paediatrics department of Sousse and Mahdia between 1983 and 2004.