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KMID : 0390220220330040232
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2022 Volume.33 No. 4 p.232 ~ p.235
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A Case of Bifurcation of the Recurrent Laryngeal Nerve Mimicking as a Single Nerve Branch during Thyroidectomy
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Hong Seung-Woo
Park Heon-Soo
Heo Jae-Won
Lee Dong-Kun
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Abstract
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The recurrent laryngeal nerve (RLN) is an important structure that requires careful attention to be preserved during thyroidectomy. Because injury of this nerve results in vocal cord paralysis, which can lead to voice change, aspiration and even pneumonia. RLN often has branches which is vulnerable to nerve injury during surgery. RLN branch usually occurs close to the cricothyroid joint, or close to the junction between the nerve and the inferior thyroid artery. However, if the RLN branch is located lower than inferior thyroid artery, the risk of nerve damage could be increased. We report this rare anatomic variation of RLN case with a review of the literature.
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KEYWORD
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Recurrent laryngeal nerve, Anatomic variation, Vocal cord paralysis, Thyroid gland, Thyroidectomy
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