[Medullary sponge kidney, nephrolithiasis, hypercalciuria and hyperuricosuria in a child. Report of a case and follow-up].

The medullary sponge kidney is rare in children and may present it self with hematuria and nephrolithiasis. We report a case of medullary sponge kidney in a child with nephrolithiasis, hypercalciuria, hyperuricosuria and prolonged treatment which avoided the recurrence of nephrolithiasis.