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Acta Neurochir (Wien). 1999;141(7):753-7; discussion 757-8.

Chronic subdural haematomas and Parkinsonian syndromes.

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Department of Neurology, Inselspital, University of Berne, Switzerland.


We describe three men with parkinsonian syndromes caused or aggravated by chronic subdural haematomas. A 63-year-old man developed tremor at rest, rigidity and bradykinesia one week after he fell and hit his head. A 70-year-old patient suffering from tardive dyskinesia and drug-induced parkinsonism experienced deterioration of his bradykinetic symptoms over two weeks. There was no history of trauma. The third patient, a 82-year-old man with idiopathic Parkinson's disease had a marked increase of his left-sided parkinsonian symptoms. Again, there was no history of trauma. In all three patients chronic subdural haematomas were demonstrated by computed tomography. Evacuation of the chronic subdural haematoma resulted in disappearance respectively improvement of the movement disorder. Diagnostic evaluations appear to be delayed and initial misinterpretations are frequent. The findings of our report and review of the literature point out that a favourable outcome after appropriate surgical treatment is achieved in most instances.

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