i know someone who has a small child aged three and his left kidney is small in size with multiple small cystic lesion replacing the renal parenchyma, the largest cyst measures 14mms in size ,left kidney is 29*17 mmsand there is no mass lesio, calculus or hydronephrosis is seen in either kidney.so what should be the next course of action ?
Hi Your children left kidney is very small and most likely it will be non-functioning. But it needs to be evaluated for the cause. Since there are no stones, mass other causes has to be ruled out. Your child needs urine examination to see pus cells in urine which indicates infection. Then possibility of reflux of urine in to the kidney should be suspected.  Most likely possibility in your child is a dysplasia kidney which means kidney is not developed properly. In that case nothing needs to be done unless that kidney is giving any trouble.