Histopathological Features of the Kidney after Acute Renal Failure from Melamine

To the Editor: An 8-month-old male infant was admitted on June 28, 2008, with prolonged anuria and mild coma. The child had been fed with Sanlu brand milk powder since he was 1 week of age. Initial laboratory data revealed markedly abnormal results that included a potassium level of 8.12 mmol per liter, a total carbon dioxide level of 9.0 mmol per liter, a blood urea nitrogen level of 137 mg per deciliter (49 mmol per liter of urea), and a creatinine level of 10.3 mg per deciliter (908 μmol per liter). Abdominal ultrasonography revealed bilateral urinary calculi causing acute . . .