An unusual course of the left recurrent laryngeal nerve

Amir A. Khaki, R. Shane Tubbs, Mohammadali Mohajel Shoja, Sina Zarrintan

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Variation in the course of the left recurrent laryngeal nerve is seemingly very rare. During the routine dissection of an adult male cadaver, the entire left recurrent laryngeal nerve after branching from the left vagus nerve was noted to travel medial to the ligamentum arteriosum. We hypothesize that this rare variation may occur, if the left recurrent laryngeal nerve passes inferior to the fifth rather than the sixth aortic arch during embryological development. As our case report demonstrates, the relationship between the ligamentum arteriosum and the left recurrent laryngeal nerve is not absolute. Although seemingly rare, cardiothoracic surgeons must consider variations of the left recurrent laryngeal nerve during surgical procedures in the region of the ligamentum arteriosum in order to minimize potential postoperative complications.

Original languageEnglish (US)
Pages (from-to)344-346
Number of pages3
JournalClinical Anatomy
Volume20
Issue number3
DOIs
StatePublished - Mar 19 2007
Externally publishedYes

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Keywords

  • Aorta
  • Ligamentum arteriosum
  • Recurrent laryngeal Nerve
  • Thorax
  • Vagus nerve
  • Variation

ASJC Scopus subject areas

  • Anatomy
  • Histology

Cite this

Khaki, A. A., Tubbs, R. S., Mohajel Shoja, M., & Zarrintan, S. (2007). An unusual course of the left recurrent laryngeal nerve. Clinical Anatomy, 20(3), 344-346. https://doi.org/10.1002/ca.20341