Nephrotic Syndrome. Etiology Idiopathic nephrotic syndrome (90%) Minimal change disease (85%) Focal segmental glomerulosclerosis (10%) Mesangial proliferation (5%) Glomerulonephritis; Membranous nephropathy; and membranoproliferative glomerulonephritis (10%).
Types of proteinuria
Selective proteinuria: where proteins of low molecular weight .such as albumin, are excreted more readily than protein of HMW
Non selective :
LMW+HMW are lost in urine