Fig. 1From: Star fruit toxicity: a cause of both acute kidney injury and chronic kidney disease: a report of two casesHistology (haematoxylin and eosin stain) of the renal biopsy of case 1 showing acute oxalate induced tubulo-interstitial nephritis. Tubules are blocked by oxalate crystals (black arrows). The crystals show polarization with polarizing light (inset). The interstitium shows moderate numbers of lymphocytesBack to article page