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Spinal myoclonus associated with vitamin B12 deficiency

Authors
Journal
Clinical Neurology and Neurosurgery
0303-8467
Publisher
Elsevier
Publication Date
Volume
109
Issue
9
Identifiers
DOI: 10.1016/j.clineuro.2007.07.018
Keywords
  • Spinal Myoclonus
  • Vitamin B12
  • Involuntary Movements
  • Glossitis

Abstract

Abstract We report a 85-year-old female patient with involuntary and regular movements restricted to abdominal muscles, resembling belly dance, with additional clinical features; ataxia, impaired cognition, neuropathy and glossitis. We initially excluded the possible cortical and spinal structural abnormalities with magnetic resonance imagings and performed routine blood analysis which revealed that serum vitamin B12 (vB12) level was under normal ranges. The relation of low serum vB12 level and myoclonus is speculative and very few studies have demonstrated such patients. In this case report, serum vB12 deficiency is discussed in the context of its probable role in the generation of spinal myoclonus.

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