NPHS2 and focal segmental glomerulosclerosis: In a Spanish cohort of 98 children or adolescent patients with FSGS (<18 years at presentation), none of the 7 patients (presented with steroid-resistant nephrotic syndrome and documented NPHS2 mutation) who had received a kidney transplant experienced disease recurrence, suggesting that similar to the adult population, there is a low risk of FSGS recurrence in pediatric patients with genetic FSGS post-transplant (72, 73).