Anatomic considerations of superior laryngeal nerve during anterior cervical spine procedures

Spine
Hooman MelamedDeepak Awasthi

Abstract

Cadavers were dissected anatomically to identify the course of the superior laryngeal nerve relative to the spinal column. To illustrate the anatomic relation of the SLN with respect to its vulnerability during anterior cervical spine procedures. There is ample literature referencing the superior laryngeal nerve with respect to head and neck surgery. Detailed descriptions of the anatomy of the recurrent laryngeal nerve are quite extensive in both the spine and head and neck literature. To the authors' best knowledge, no similar reports have delineated the anatomic relation of the superior laryngeal nerve in procedures on the anterior aspect of the cervical spine. Ten dissections were carried out on human cadavers to show the course of the superior laryngeal nerve. Particular attention was directed to the internal branch of the superior laryngeal nerve to show the overall anatomic relation relative to standard landmarks. These landmarks included the superior laryngeal and superior thyroid arteries, the split of the superior laryngeal nerve, and the intervertebral disc space. The superior laryngeal nerve originates from the vagus nerve in the carotid sheath and bifurcates into internal and external branches. Distally, the interna...Continue Reading

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Citations

Jan 13, 2006·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Amac KirayEsin Korman
Jun 7, 2011·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Yong Liang YangDong Sheng Zhou
Feb 20, 2013·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Soo-An ParkKee-Yong Ha
May 16, 2009·Journal of Neurosurgery. Spine·Antonino RussoArthur J Ulm
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Feb 24, 2011·Spine·Justin M HallerFrancis H Shen
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