[Painful legs and moving toes. Neuropathy caused by cytarabine].

A new case of painful legs and moving toes syndrome is reported in a patient with a neuropathy due to high-doses of cytosine arabinoside (Ara C). A few cases of this complication have been reported. The neuropathy was sensory, axonal, and incompletely regressive. Carbamazepine had a dramatic effect on pain and involuntary movements.