It is a case of nephrotic syndrome due to minimal change disease (MCD). MCD is the most common cause of nephrotic syndrome in children*Microscopic findings of urine in MCD ProteinuriaPrincipally albumin (which is a low molecular weight protein) High molecular weight proteins are seen in minimal amounts. This type of proteinuria is known as selective proteinuria. WBC → Absent RBC → Absent the hyaline cast → can be seen Focal segmental Glomerulosclerosis can also cause nephrotic syndrome but the urine examination in these patients will reveal protein, WBC's and RBC's.