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Case Report

Anat Cell Biol 2022; 55(3): 380-383

Published online September 30, 2022

https://doi.org/10.5115/acb.22.016

Copyright © Korean Association of ANATOMISTS.

A large sublingual glandular branch of the lingual nerve: a rare case report

Aaron Albuck1 , Yuto Haikata2,3 , Koichi Watanabe2 , R. Shane Tubbs4,5,6,7,8,9,10 , Joe Iwanaga2,3,4,5

1Tulane University School of Medicine, New Orleans, LA, USA, 2Division of Gross and Clinical Anatomy, Department of Anatomy, Kurume University School of Medicine, Kurume, Fukuoka, 3Dental and Oral Medical Center, Kurume University School of Medicine, Kurume, Fukuoka, Japan, 4Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, 5Department of Neurology, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA, 6Department of Anatomical Sciences, St. George’s University, St. George’s, Grenada, West Indies, 7Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, 8Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, 9Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA, 10University of Queensland, Brisbane, Australia

Correspondence to:Joe Iwanaga
Department of Neurosurgery, Tulane Center for Clinical Neuro­sciences, Tulane University School of Medicine, New Orleans, LA 70112, USA
E-mail: iwanagajoeca@gmail.com

Received: January 25, 2022; Revised: March 5, 2022; Accepted: March 28, 2022

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

While the route, location, and pathology of the lingual nerve has been detailed extensively in reports in the literature, its terminal branch to the sublingual gland is often overlooked. It is known, via both gross and histological observation, that the sublingual glandular branch terminates at the posterior aspect of the sublingual gland. Upon routine cadaveric dissection of a male cadaver, one of the lingual nerve branches was found to terminate at the anteroinferior portion of a herniated sublingual gland. This specific course has not previously been discussed or reported via gross or histological observation. Therefore, a timely review of the lingual nerve’s terminal sublingual glandular branch’s anatomy and clinical significance pertaining to this case is warranted. Surgeons who treat patients with submental masses should be aware of the anatomy of this nerve and the potential variance described here in order to avoid postprocedural complications.

Keywords: Glandular branch, Lingual nerve, Sublingual gland, Herniation

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