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Relato de Caso

Vol. 4 No. 2 (2023)

Non-recurrent laryngeal nerve: a case report

DOI
https://doi.org/10.54257/2965-0585.v4.i2.68
Submitted
April 15, 2024
Published
2025-09-29

Abstract

Introduction: One of the fundamental steps faced by surgeons during thyroidectomy lies in the identification and preservation of the laryngeal nerves, in particular the recurrent laryngeal nerve (RLN), and its anatomical variation, the non-recurrent nerve. Case report: Woman, 39 years old, who presented with dysphagia, dyspnea on physical exertion and dysphonia. A solid nodule was detected on thyroid USG. She then underwent thyroidectomy and, during the dissection to identify the right recurrent laryngeal nerve, it was observed that it was emerging directly from the vagus nerve to the larynx. Discussion: Although the presence of anatomical variants of NLI has been associated with an increased risk of iatrogenic injuries during surgeries in the head and upper chest region, it has not yet been proven that the systematic application of preoperative imaging studies can effectively reduce this risk. Conclusion: The presence of non-recurrent highlights the importance of systematic dissection of the inferior laryngeal nerve during surgery.

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