Ans. is 'a' i.e., Fusion of foot process of the glomerular epithelial cells o The child in presenting with features S/o Nephrotic syndrome most frequent cause of which amongst children is minimal change ds. o Light microscopic finding of MCD --> no abnormality o Electron microscopic finding of MCD --> fusion of foot processes of the glomerular epithelial cells o Note that loss of foot processes may also be seen in other proteinuric states (eg. Membranous glomerulonephritis, diabetes), but when the fusion is associated with normal glomeruli only then the diagnosis of MCD can be made. o MCD is also know as lipoid nephrosis as cells of the proximal tubules are often laden with lipids.