• Haruki Koike, Tetsuo Hama, Yuichi Kawagashira, Rina Hashimoto, Minoru Tomita, Masahiro Iijima, and Gen Sobue.
• Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
• Nutrition. 2012 Jul 1;28(7-8):821-4.

ObjectiveTo elucidate the significance of folate deficiency in alcoholic and nutritional neuropathies.MethodsWe preformed a comprehensive clinical screening of a patient with chronic alcoholism who manifested neuropathy, macrocytic anemia, liver dysfunction, and folate deficiency.ResultsA 33-y-old woman with chronic alcoholism presented with acutely progressive glove- and stocking-type sensorimotor polyneuropathy. Although an episode of neuropathy preceded the current episode by 2 y, its cause was never determined. The findings of nerve conduction studies were indicative of axonal neuropathy. Laboratory findings revealed macrocytic anemia and liver dysfunction. Her serum level of folate was reduced, whereas thiamine, riboflavin, and cobalamin levels were within normal range. The neuropathy and anemia showed gradual recovery after the initiation of folic acid supplementation.ConclusionsThis case study indicates that folate deficiency should be monitored closely in patients with chronic alcoholism and associated malnutrition. Additionally, folate deficiency should be considered as a differential diagnosis of neuropathy.Copyright © 2012 Elsevier Inc. All rights reserved.

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