舌腹面舌神经的走行及分布 舌系带切除术需考虑的 解剖学 …

舌腹面舌神经的走行及分布: 舌系带切除术需考虑的

解剖学因素

Yang, Hun-Mu等

摘要：

本研究旨在阐明舌腹侧面舌神经(LN)的舌下及舌内走行，为安全的手术操作,如舌系带切除术，提供临床指导。评估的32例样本取材自防腐的韩国人尸体，详细解剖后肉眼观察16例样本（32侧），其余6例进行Sihler染色。参照茎突舌肌和颏舌肌交织处形成的线，将LN的 神经支配形式划分为5种类型并明确了LN在舌尖的分布。根据LN的走行情况及是否伴有TM存在（TM是直接支配舌下粘膜的细小分支），LN的走行可划分为伴（或不伴）TM的直线型，曲线型和垂直型。其中不伴TM存在的直线型，曲线型和垂直型分别占9.4%、46.9%和18.8%。伴有TM的直线型和曲线型分别占6.3%和18.8%。Sihler染色显示舌尖处有LN 支配。上述研究结果提示，舌腹面的手术操作可能损伤LN而导致舌尖麻木，为涉及此区域的各种手术操作提供了有用的解剖学参考。

Attached original abstract of paper:

Course and Distribution of the Lingual Nerve in the Ventral Tongue Region: Anatomical Considerations for Frenectomy

Yang, Hun-Mu DDS; Woo, Yong-Je DDS; Won, Sung-Yoon MS; Kim, Da-Hye RDH; Hu, Kyung-Seok DDS, PhD; Kim, Hee-Jin DDS, PhD

Abstract

The aim of this study was to elucidate the sublingual and intralingual courses of the lingual nerve (LN) in the ventral tongue region, providing a clinical guide for safe surgical procedures such as frenectomy. We evaluated 16 specimens (32 sides) by gross observation after detailed dissections, and a further 6 specimens were examined after Sihler staining. All specimens were harvested from embalmed Korean cadavers. We classified the innervation patterns of the LN into 5 types and confirmed the distribution of the LN in the tip of the tongue. The classification of the LN was made with reference to a line formed by the interlacing of the styloglossus and genioglossus muscles. Based on the course of LN and the presence of a tiny twig (twigs directly innervating the ventral mucosa of the tongue, TM) directly innervating the sublingual mucosa, the course of the LN was classified as being straight, curved, or vertical and with or without the TM. Straight, curved, and vertical courses without the TM were seen in 9.4%, 46.9%, and 18.8% of the cases, respectively. Straight and curved courses with the TM were observed in 6.3% and 18.8% of the cases, respectively. Sihler staining revealed that the tongue tip is innervated by the LN. These findings indicate that surgical manipulations at the ventral tongue region might damage the LN and result in numbness of the tongue tip, and provide a useful anatomic reference for various surgical procedures involving the ventral tongue region.