Fig. 2From: Vitamin C-induced oxalate nephropathy in a renal transplant patient related to excessive ingestion of cashew pseudofruit (Anacardium occidentale L.): a case reportKidney biopsy showing extensive birefringent calcium oxalate crystal deposition and epithelial degenerative changes. a and b. Polarized microscopy (hematoxylin and eosin) in a background of interstitial fibrosis, tubular atrophy, glomerulosclerosis, and hyaline arteriosclerosis. c Masson trichrome.Back to article page