Reversible MRI changes of prolonged hypoglycemia

Hypoglycemia is most commonly caused by drugs used to treat diabetes mellitus or by exposure to other drugs, including alcohol. Diverse neurologic manifestations of hypoglycemia have been reported frequently. These neurologic symptoms range from focal neurologic deficits to permanent dysfunction or death. Here, we report a case of prolonged hypoglycemia in an alcoholic who was unconscious and in whom there were reversible changes on magnetic resonance imaging.