What is it about?
We aimed to demonstrate whether the external branch of the superior laryngeal nerve innervates the posterior crycoarytenoid muscle or not via intraoperative neuromonitoring.
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Why is it important?
Posterior crycoarytenoid muscle is the main abductor of the vocal cords. Recurrent laryngeal nerve injury is one of the most important and undesirable complications after thyroidectomies. It would be a great development in termal of voice quality, if the external branch of the superior laryngeal nerve contributed to the innervation of the posterior crycoarytenoid muscle.
Perspectives
In my opinion, this study is an original and a valuable study among the neuromonitoring studies. There are not many studies about demonstrating the posterior crycoarytenoid muscle being innervated by external branch of the superior laryngeal nerve.
Nurcihan Aygun
Sisli Hamidiye Etfal Training and Research Hospital
Read the Original
This page is a summary of: Innervation of the human posterior cricoarytenoid muscle by the external branch of the superior laryngeal nerve, Head & Neck, August 2017, Wiley,
DOI: 10.1002/hed.24896.
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