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A Case of Adult Onset Tic Disorder Following Carbon Monoxide Intoxication
Sang-Bae Ko, Tae-Beom Ahn, Jong-Min Kim, Yosik Kim, Beom S. Jeon
Journal: Canadian Journal of Neurological Sciences / Volume 31 / Issue 2 / May 2004
Published online by Cambridge University Press: 16 February 2016, pp. 268-270
Print publication: May 2004
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Background:
Adult onset tic disorders are usually secondary in origin. We report a case of adult onset tic disorder following carbon monoxide (CO) intoxication with typical magnetic resonance imaging features.
Case Report:
A 36-year-old woman developed temporarily suppressible patterned movements on her face, neck, and shoulder associated with sensory discomfort after CO poisoning. Magnetic resonance images showed bilateral symmetric cavitary changes in the globus pallidus. Clonazepam relieved much of her symptoms.
Conclusion:
Our patient developed a mono-symptomatic tic disorder following CO intoxication. This further supports that altered outflow signals from the basal ganglia, especially the globus pallidus, may contribute to the development of tic disorders.