204501.fig.003
Figure 3: Light microscopic findings of kidney specimens from rabbits after treatment with 0.5 mg/kg aristolochic acid sodium (AANa). The renal histology changed 7 days after 0.5 mg/kg AANa iv administration. (PAS stain, magnification ×100). ( 1 ) Degeneration of tubular epithelium; ( 2 ) mononuclear cell infiltration; ( 3 ) existence of hyaline cylinders.