This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Medicine
All can cause R.P.G.N. except - 
Select and explain. 
A. Minimal change glomerulonephrits, B. Poststreptococcal glomerulonephritis, C. Wegener granulomatosis, D. S.L.E.
A: Minimal change glomerulonephrits
Answer: A: Minimal change glomerulonephrits 
Explanation: Minimal change nephropathy Minimal change disease occurs at all ages but accounts for most cases of nephrotic syndrome in children and cannot cause RPGN and about one-quaer of adult cases. It is caused by reversible dysfunction of podocytes. On light microscopy, the glomeruli appear normal , but fusion of podocyte foot processes is observed on electron microscopy. The presentation is with nephrotic syndrome, which typically is severe; it remits . Ref Harrison20th edition pg 297