Microsurgical anatomy of intralaryngeal distribution of the inferior laryngeal nerve.

Surgical and Radiologic Anatomy : SRA
Jean-Michel PradesChristian Martin

Abstract

The functional results of a partial laryngeal surgery or a laryngeal reinnervation depend on the precise knowledge of the intra laryngeal anatomy of the inferior laryngeal nerve (ILN). Ten human larynges without known laryngeal disorders were obtained from human cadavers for ILN microdissection. Intra laryngeal ILN branching patterns were determined bilaterally. The lengths of the vertical, genu and oblique segments of the anterior division of ILN and the distance between the nerve within the paraglottic space and the cricothyroid articulation (CTA) were measured with a digital microcaliper. The mean lengths of the vertical, genu and oblique segments were 10.82, 5.89 and 9.29 mm, respectively. The mean distance between the nerve in the paraglottic space and the CTA was 11.20 mm. Key anatomical landmarks of the abductor division (vertical and genu segments of ILN) were the lateral border of posterior cricoarytenoid (PCA) muscle and the superior ligament of the CTA. The two-branch pattern for the lateral border of the PCA muscle has been the most frequent (50%). A branch of interarytenoid muscle (IA) originated from the genu segment. One or two branches for the PCA muscle has been identified in 75% of cases from the IA neural ple...Continue Reading

References

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Citations

Nov 15, 2012·Surgical and Radiologic Anatomy : SRA·J M PradesM Peoc'h
Aug 4, 2016·Acta Cirúrgica Brasileira·Fabiana Araújo SperandioLuiz Ubirajara Sennes
Sep 13, 2018·The Laryngoscope·Nupur Kapoor Nerurkar, Shalaka Nilesh Dighe
Jul 3, 2009·Biotechnic & Histochemistry : Official Publication of the Biological Stain Commission·L Mu, I Sanders
Feb 23, 2010·Neurosurgery·Giorgio IaconettaPaolo Cappabianca
Feb 10, 2011·Neurosurgery·Song-tao QiBing-hui Qiu
Sep 3, 2018·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Ewa MigaczWojciech Kukwa

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