边缘下神经的解剖学变化
Arthur Paredes Gatti1, Matheus Trovão Ribeiro2, Flávio Hojaij3
1Staff of the Head and Neck Surgery Department, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
Clinics (Sao Paulo, Brazil)
|December 5, 2024
概括
边缘下神经 (MMN) 在分支和位置上显示出显著的解剖学变化,影响了手术方法. 了解这些变化对于防止在宫面部手术过程中无意中伤害患者至关重要.
科学领域:
- 人体解剖学 解剖学 解剖学
- 手术神经病学 手术神经病学
- 医疗成像医学成像
背景情况:
- 边缘下神经 (MMN),面部神经的一个分支,表现出相当大的解剖学变异性,这并不总是反映在教学描述中.
- 这种分支的变异性,与下相对的定位和解对于宫面部区域的手术规划至关重要.
- 如果不考虑MMN的变化,可能会导致低估的风险和阳性损伤,从而导致患者的运动缺陷.
研究的目的:
- 系统地分析边缘下神经 (MMN) 的解剖变异.
- 调查MMN分支模式,与下标志相对的定位,以及变异的发生率.
- 识别MMN解剖特征引起的潜在手术挑战.
主要方法:
- 进行了一项系统的文献审查,重点是1981年至2024年间发表的MMN的解剖学研究.
- 包括体内和尸体分析在内的研究量化了MMN分支,它们的位置,以及与其他神经的解剖.
- 分析了来自511个半面的数据.
主要成果:
- 在MMN分支的变化是常见的:290个单一,160个双,54个三重和7个四重的分支被确定在511个半面.
- 高于下下边界的MMN的平均距离为1.61厘米,低于是2.53厘米.
- 在MMN和面部神经 (口腔,部) 和三角神经的分支之间观察到解剖.
结论:
- 在分支和定位方面,边缘下神经 (MMN) 的显著解剖变异性需要重新评估手术策略.
- 目前的手术方法可能无法充分解决MMN的各种表现,可能导致报告的运动缺陷.
- 进一步的研究和提高对MMN变异的外科意识对于尽量减少阳性损伤至关重要.
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