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• 2 Dystonia
  • 2.1 Twisted neck
  • 2.2 Eyelid spasm
  • 2.3 Writer’s cramp
  • 2.4 Vocal cord spasm
    • 2.4.1 Causes
    • 2.4.2 Diagnosis
    • 2.4.3 Therapy
  • 2.5 Spasms of the mouth, tongue and pharynx

Diagnosis

The sound of patients’ voices is so characteristic that a speech therapist can usually make a tentative diagnosis purely on the basis of the sound, but spasmodic dysphonia is a rare disease and few general practitioners or internists will recognize this clinical picture; not even ENT specialists are necessarily familiar with spasmodic dysphonia. Some textbooks don’t even mention it.

Idiopathic spasmodic dysphonia is not associated with other neurological diseases. In other words, the occurrence of other neurological symptoms such as reflex weakness, spasms and paralysis is a sign that another underlying neurological disease is present. This is then called secondary or symptomatic spasmodic dysphonia.

There are also rare cases of acquired, secondary spasmodic dysphonia, e.g. after head injuries, tumors, carbon monoxide poisoning or after the longer-term use of certain medications (especially neuroleptics). In many cases of secondary spasmodic dysphonia, damage can be found in the basal ganglion region of the brain.

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Dystonia at work

• Those affected often have acceptance problems

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