<prompt> All can cause R.P.G.N., Except:Minimal change glomerulonephritisPoststreptococcal glomerulonephritisWegener granulomatosisS.L.E.  <response>: Ans. is a Minimal change glomerulonephritis Ref: Chandrasoma Taylor, 3e, p711, Harrison 17e p 1786, 1789, 1787 16e, p 1685. Rapidly progressive glomerulonephritis is a heterogenous condition that probably represents the end result of glomerular damage occurring in many diseases. It is defined by 2 criteria.1. Presence of epithelial crescents in more than 70 of glomeruli2. Occurrence of rapidly progressive renal failure. 