Renal biopsy is often invaluable for the diagnosis of glomerular disease. Needle biopsy samples of the renal tissue are usually divided up into separate samples for light microscopy, immunofluorescence, and electron microscopy, preferably under a dissecting microscope.¹ This is a relatively easy task if a sufficient amount of the sample is obtained. However, if biopsy samples are small or turn out to be composed mostly of medulla, priority is usually given to light microscopy. In such circumstances, one may have to use a …