Type-1 non-recurrent inferior laryngeal nerve

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Luis A. Boccalatte
Esteban E. Masino
Fanny M. Rodríguez Santos
Natalia L. Gómez
Alejandro Yanzón de la Torre
Marcelo F. Figari


The non-recurrent laryngeal nerve (NRLN) is a variant of the recurrent laryngeal nerve (RLN) with an incidence between 0.25 and 0.99% according to the different series reported. The NRLN is consequen- ce of a vascular anomaly during the embryological development of the epiaortic trunk. We report the case of a woman with type-1 NRLN as an intraoperative finding during total thyroidectomy. The NRLN is a rare anatomic variant that should be suspected when the right inferior RLN cannot be identified in the usual anatomic location after a standardized exploration.


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Boccalatte, L. A., Masino, E. E., Rodríguez Santos , F. M., Gómez, N. L., Yanzón de la Torre, A., & Figari, M. F. (2021). Type-1 non-recurrent inferior laryngeal nerve. Revista Argentina De Cirugía, 111(1), 33–35. Retrieved from https://revista.aac.org.ar/index.php/RevArgentCirug/article/view/131
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