J Korean Neurol Assoc.  2013 Aug;31(3):196-198.

Chorea Associated With Mercury Poisoning

Affiliations
  • 1Department of Neurology, Kyungpook National University School of Medicine, Daegu, Korea. neurokkhun@gmail.com
  • 2Brain Science & Engineering Institute, Kyungpook National University, Daegu, Korea.

Abstract

The differential diagnosis of chorea can be challenging in patients without a family history of Huntington's disease or acute-onset hemichorea with stroke. A 50-year-old woman presented with generalized choreic movements and gait disturbance that first appeared 1 month previously. An extensive diagnostic workup including genetic testing, neuroimaging, and various laboratory investigations revealed that this patient had developed chorea as a result of mercury poisoning. She was treated successfully with chelation therapy.

Keyword

Chorea; Mercury poisoning
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