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Related Experiment Videos

The platysma muscle in neck dissection.

C P Karakousis1

  • 1State University of New York at Buffalo, Kaleida Health, Buffalo, New York, 14209, USA. ckarakou@mfhs.edu

European Journal of Surgical Oncology : the Journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
|October 18, 2000
PubMed
Summary

Sacrificing the platysma muscle during neck dissection can negatively impact lower lip movement. This finding highlights the importance of preserving this muscle for facial expression, particularly when grinning or laughing.

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Area of Science:

  • Plastic Surgery
  • Facial Anatomy
  • Nerve Innervation

Background:

  • The platysma muscle is typically preserved during neck dissection.
  • Its removal is often considered inconsequential to facial function.

Observation:

  • A case report details the consequences of sacrificing the cervical branch of the facial nerve.
  • This involved the removal of the platysma's upper portion.

Findings:

  • Impaired caudal retraction and eversion of the ipsilateral lower lip were observed.
  • These functional deficits were noticeable during actions like grinning or laughing.

Implications:

  • Preservation of the platysma muscle and its nerve supply is crucial for maintaining lower lip function.

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  • Surgical techniques should carefully consider the impact on facial nerve branches innervating the platysma.