Figure 1From: Acute renal failure following oxalic acid poisoning: a case report H & E Staining. A Necrosis of tubular epithelial cells. Interstitium contains a moderate inflammatory infiltrate composed of neutrophils, lymphocytes and a few eosinophils. Glomeruli are histologically unremarkable. B Refractile calcium oxalate crystals within renal tubules.Back to article page