Navigating the void: outcomes and adaptations during parotid surgery in the absence of posterior belly of digastric muscle.
Eur Arch Otorhinolaryngol
; 2024 Jul 18.
Article
em En
| MEDLINE
| ID: mdl-39025975
ABSTRACT
It is well known that the digastric posterior belly is one of the essential landmarks for facial nerve identification during parotid surgery. While there were multiple reports about variations of the digastric anterior belly, only a few anatomical variations of the posterior belly of the digastric muscle have been described.In this article, we describe an anatomical variation of the posterior belly of digastric muscle found during superficial parotidectomy of a patient with pleomorphic adenoma. This anatomical variation also led to an anatomical variation in the position of the facial nerve.To our knowledge, this is the first report of an absent posterior belly of digastric muscle found during live parotid surgery. The knowledge of current anatomical variation may help to avoid facial nerve injury during parotid surgery and preserve the function of muscles of facial expression.
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MEDLINE
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En
Ano de publicação:
2024
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Article