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Central Pathology in Spasmodic Dysphonia.

Kristen L Prijs1, Caroline E Quindlen2, Pelin Yuksel3

  • 1PGY-1, General Surgery, Jefferson Einstein, Philadelphia, Pennsylvania, USA.

Journal of Voice : Official Journal of the Voice Foundation
|December 6, 2024
PubMed
Summary
This summary is machine-generated.

Spasmodic dysphonia (SD) patients showed no significant brain MRI differences compared to controls. This suggests central nervous system pathology may not be a primary factor in SD.

Keywords:
Spasmodic dysphonia—Magnetic resonance imaging—Adductor—Abductor

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Area of Science:

  • Neurology
  • Otolaryngology
  • Radiology

Background:

  • Spasmodic dysphonia (SD) is a voice disorder affecting voluntary vocal fold control.
  • Its exact pathophysiology remains unclear, with proposed links to various brainstem and cerebellar regions.

Purpose of the Study:

  • To investigate potential central nervous system (CNS) involvement in SD.
  • To compare brain MRI findings (with and without gadolinium) between SD patients and controls.

Main Methods:

  • Retrospective chart review of 72 SD patients and age/sex-matched controls (1995-2023).
  • Analysis of T1, T2, and FLAIR MRI sequences for hyperintensities/hypointensities in specific brain regions.
  • Comparison of MRI findings between SD patients and controls.

Main Results:

  • MRI abnormalities were observed in the periventricular, cerebral, and frontal white matter in the study population.
  • No significant differences in the location or presence of these MRI abnormalities were found between SD patients and controls.

Conclusions:

  • Brain MRI with and without gadolinium does not reveal significant differences between spasmodic dysphonia patients and controls.
  • The study did not find evidence supporting a primary role for CNS pathology detectable by MRI in SD.