PMC6323504_01
(a) Renal biopsy light microscopy (stain, hematoxylin and eosin) showing renal tubules with severe acute injury, epithelial flattening and diffuse deposition of oxalate crystals (arrow) within the cortex and medulla. (b) Renal tubules containing numerous oxalate crystals (arrow).
CRIN2018-8641893.001.jpg
PMC6323504_01_CRIN2018-8641893.001.jpg
fig1
A renal biopsy was performed and showed diffuse calcium oxalate crystal deposition with severe acute tubular injury (ATN) and mild interstitial fibrosis (Figure 1(a)).
PMC6323504_02
(a) Renal biopsy light microscopy (hematoxylin and eosin) showing renal tubules with severe acute injury, epithelial flattening and diffuse deposition of oxalate crystals within the cortex and medulla. (b) Renal tubules containing numerous oxalate crystals.
CRIN2018-8641893.002.jpg
PMC6323504_02_CRIN2018-8641893.002.jpg
fig2
Subsequent renal biopsy showed severe, chronic active interstitial nephritis, severe interstitial fibrosis and tubular atrophy, and oxalate nephropathy (Figure 2).