A 35-year-old man with AML and WBC of 100,000 cells/ ul is treated with chemotherapy and develops oliguric renal failure. His urine is acidic and numerous crystals are noted in the urine. The most likely diagno¬sis
Urate nephropathy Nephrocalcinosis Leukemic infiltration of the kidneys Acute tubular necrosis secondary to a nephrotoxic effect of his chemotherapy