Figure 11: Light microscopic finding of renal section of pentoxifylline treated diabetic rats. A: A glomerulus with mild increase in mesangial cells and matrix with fine pink protein droplets in the tubular cells, some cells indicated by arrows (original magnification X600). B: Mild tubular dilatation with foamy cells (original magnification X100). C: Higher magnification of the foamy cells indicated by the arrows (original magnification X400).