<prompt> nephrotic syndrome is caused by all except ?renal cell carcinomaminimal change nephropathydiabetes mellitusrheumatoid ahritis  <response>: Primary causes Primary causes include- Minimal-change nephropathy70-90 children and 10- 15inadult Focal glomerulosclerosis 15inadult Membranous nephropathy 30inadult Mesangial proliferative glomerulonephritis . Rapidly progressive glomerulonephritis Secondary causes Secondary causes include- RA Diabetes mellitus Lupus erythematosus Amyloidosis and paraproteinemias Viral infections eg, hepatitis B, hepatitis C, HIV Preeclampsia ref : harrisons 21st ed 