The anatomic course of recurrent laryngeal nerve, its branch and its were most
significant for laryngeal, thyroid and tracheoesophageal surgery. Furthermore, the vocal cord
palsy resulting from multi-etiology was serious complication and resulted in affecting the life
quality. So, for the prevention of this complication, the concepts and knowledge about
anatomic course and variants are very important.
At now, most of anatomic courses and it's function has been identified precisely. But
recently, the report about the anastomotic loops of both recurrent layngeal nerve was
published. In this study, we explored three cadevors for identifying the reality of the
anastomotic loops between recurrent laryngeal nerves. Finally, we identified the
cervicomediastinal anastomosis at tracheoesophageal groove in 2 of 3 cadevors that was
confirmed by pathologic finding.
This anatomic reliefs related to it's branch are extremely interest, although research is still in
its initial phase. Our study will be extended toward histomorphometrical study and
progressive electrophysiologic study, and we will able to gather the largest amount of useful
data regarding any possible use of this anatomic entity in future.
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