Synkinesis describes aberrant regrowth of the recurrent laryngeal nerve. Depending how a the recurrent laryngeal nerve regenerates, a person may be left with a normal voice or a profoundly hoarse voice. There are four types of synkinesis.
Treatement for patients with a type IV synkineis, in which the vocal folds are unable to close, may involve vocal fold augmentation or thyroplasty.
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