Figure 2

Electron microscopy of the patient’s renal biopsy. This section shows a marked effacement of the foot processes of podocytes as well as a microvillous transformation The mesangial area is unremarkable. The basement membrane is irregularly wrinkled. The capillary lumina are patent. No electron deposits are visible. Uranyl acetate and lead citrate double-stain; original magnification, ×15,000.