A 7 year old boy presented with generalized edema. Urine examination revealed marked albuminuria. Serum biochemical examinations showed hypoalbuminaemia with hyperlipidemia. Kidney biopsy was undeaken. On light microscopic examination, the kidney appeared normal. Electron microscopic examination is most likely to reveal-

This is a case of minimal change disease(MCD) On biopsy-no lesion is seen by light microscopy, negative for deposits by immunofluorescent microscopy -so it is also called nil lesion. On electron microscopy -effacement of foot processes suppoing Glomerular cells(podocytes) with weakening of slit pore membranes is seen. Ref:Harrison 20 th edition pg no. 2142