It was noted that he had no urine output. His BUN and creatinine were rising. He died a week later. This is acute tubular necrosis due to ethylene glycol poisoning. Alcoholics will sometimes drink anything that smells like alcohol.
Ethylene glycol is a nephrotoxin.
The tubules are dilated and the tubular epithelium shows vacuolization. In addtion, there are many scattered calcium oxalate crystals.