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Current evidence for the organic etiology of spastic dysphonia.

Authors
  • Dedo, H H
  • Townsend, J J
  • Izdebski, K
Type
Published Article
Journal
Otolaryngology
Publication Date
Jan 01, 1978
Volume
86
Issue
6 Pt 1
Identifiers
PMID: 225708
Source
Medline
License
Unknown

Abstract

For over 100 years it has been universally assumed in the literature that spastic dysphonia is a functional or psychoneurotic voice disorder. In the last few years, new data have accumulated that support the concept that spastic dysphonia is caused by an organic, rather than a functional, abnormality. Histologic examination of segments of the recurrent laryngeal nerve removed from patients with spastic dysphonia has revealed myelin abnormalities in 30% of the nerves examined. Neurologic examination indicated brain stem or basal ganglia disturbances in some patients who had no apparent nerve disease.

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