Batstone Martin D, Scott Barry, Lowe Derek, Rogers Simon N
Department of Maxillofacial Surgery, Royal Brisbane Hospital, Brisbane, Queensland, Australia.
Head Neck. 2009 May;31(5):673-8. doi: 10.1002/hed.21013.
Neck dissection to remove cervical lymph nodes is common practice in head and neck cancer management. The marginal mandibular nerve may be injured during neck dissection, particularly of level 1. The rate of injury to this nerve is underreported in the literature and its impact on patients is not well defined.
An observational study was undertaken on patients who had undergone neck dissection over a 5-year period. The patients were examined for weakness and given a questionnaire related their perception of their appearance and their function.
Sixty-six patients were identified who had undergone 85 neck dissections. The rate of House Brackmann injury was 18% when analyzed by patient and 23% by neck. There were moderate correlations between observed injury and subjective responses to questions relating to ability to smile and weakness of the lower lip.
The rate of smile asymmetry following neck dissection is relatively high; however, severe injuries to the marginal mandibular nerve are uncommon.
在头颈癌治疗中，进行颈部清扫以切除颈部淋巴结是常见的做法。在下颌缘支神经在颈部清扫过程中可能会受到损伤，尤其是在1区清扫时。该神经的损伤率在文献中报道不足，其对患者的影响也未得到明确界定。
对在5年期间接受颈部清扫的患者进行了一项观察性研究。检查患者是否存在肌无力，并给予他们一份关于其对外貌和功能感知的问卷。
确定了66例接受85次颈部清扫的患者。按患者分析时，House Brackmann损伤率为18%，按颈部分析时为23%。观察到的损伤与关于微笑能力和下唇无力问题的主观反应之间存在中度相关性。
颈部清扫后微笑不对称的发生率相对较高；然而，下颌缘支神经的严重损伤并不常见。
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