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[Chronic toluene intoxication and hyperkinésie volitionnelle]
No to Shinkei = Brain and Nerve
|December 1, 1986
Summary
This study reports a rare case of hyperkinésie volitionnelle, an involuntary movement disorder, caused by toluene intoxication in a 28-year-old painter. The findings highlight a novel association between solvent exposure and this neurological condition.
Area of Science:
- Neurology
- Toxicology
Background:
- Hyperkinésie volitionnelle is an involuntary movement disorder distinct from intention tremor.
- It is associated with various neurological conditions including cerebral infarction, head trauma, and multiple sclerosis.
Observation:
- A 28-year-old painter presented with progressive tremors in extremities, trunk, and head, along with gait disturbances and slurred speech.
- Neurological examination revealed nystagmus, bradykinesia, postural tremor, action myoclonus, and ataxic gait.
Findings:
- The patient's symptoms were diagnosed as hyperkinésie volitionnelle.
- Laboratory and electroencephalography results were largely normal, suggesting a toxic etiology.
- The involuntary movements were characteristic of hyperkinésie volitionnelle, with no observed dysmetria.
Implications:
- This case suggests toluene intoxication as a potential cause of hyperkinésie volitionnelle.
- Highlights the importance of considering environmental and occupational exposures in the differential diagnosis of movement disorders.
- Further research is warranted to understand the neurotoxic mechanisms underlying solvent-induced movement abnormalities.