• Clin Anat · Oct 2006

    Case Reports

    Atypical anastomosis of laryngeal nerves.

    • P Partab, K Hurrinarain, L Ramsaroop, and K S Satyapal.
    • Department of Anatomy, School of Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Westville Campus, Durban, South Africa.
    • Clin Anat. 2006 Oct 1; 19 (7): 651-6.

    AbstractThe larynx and its associated structures derive their chief source of innervation from the superior and recurrent laryngeal nerves. Surgery of the larynx requires a sound knowledge of the normal anatomy as well as variations that may be encountered in this region. We report the presence of rare communications between the right external and internal laryngeal nerves as well as between the right external and inferior laryngeal nerves via a thyroid foramen. In addition, we report on bilateral innervation of the respective ipsilateral aryepiglottic, transverse, and oblique arytenoid muscles by the internal laryngeal nerve, which is contrary to the classical descriptions of this nerve. The anatomic features are described and clinical implications are highlighted.Copyright 2006 Wiley-Liss, Inc.

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