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ENT · Larynx: spasmodic dysphonia
Sample itemA woman has a strained, strangled voice with breaks during speech, while whispering and laughing are normal. Which treatment is most effective?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Botulinum toxin injection into the thyroarytenoid muscles
Adductor spasmodic dysphonia is a focal laryngeal dystonia in which intermittent spasms of adductor muscles produce a strained voice. Botulinum toxin injections weaken the muscles and give relief lasting months.
Option by option
A. Total laryngectomy
Laryngectomy is not indicated.
B. Radiotherapy
Radiotherapy has no role.
C. Tracheostomy
Tracheostomy is not needed.
D. Botulinum toxin injection into the thyroarytenoid muscles (correct)
Correct. Botulinum toxin is the standard treatment.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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