A new landmark for the identification of the facial nerve during parotid surgery: A cadaver study.
anatomy
facial nerve
landmark
parotidectomy
Journal
Laryngoscope investigative otolaryngology
ISSN: 2378-8038
Titre abrégé: Laryngoscope Investig Otolaryngol
Pays: United States
ID NLM: 101684963
Informations de publication
Date de publication:
Aug 2020
Aug 2020
Historique:
received:
06
10
2019
revised:
03
05
2020
accepted:
25
06
2020
entrez:
1
9
2020
pubmed:
31
8
2020
medline:
31
8
2020
Statut:
epublish
Résumé
Precise knowledge of facial nerve anatomy is crucial for parotid surgery. Although several surgical landmarks to identify the facial nerve have been described in literature, their position is variable, inconsistent, and difficult to follow in some cases. The purpose of this study was to prove that the facial nerve trunk (FNT) is located midway between the mastoid tip (MT) and osteocartilaginous junction of the external auditory canal (EAC). A prospective study of 7 frozen cadaver specimens, of which 13 facial sides were dissected. The distances between the osteocartilaginous junction and the MT, between the FNT and the MT, and between the FNT and the osteocartilaginous junction were recorded, respectively. The distance between the osteocartilaginous junction and the MT ranged from 17 to 21 mm, with a mean of 19.5 mm (SD = ±1.19). The mean distances between the osteocartilaginous junction and the FNT and between the MT and the FNT were 9.2 mm (±1.58) and 10.3 mm (±1.79), respectively. The FNT was consistently located close to the midpoint between mastoid tip inferiorly and bony-cartilaginous junction of the EAC superiorly. NA.
Identifiants
pubmed: 32864440
doi: 10.1002/lio2.431
pii: LIO2431
pmc: PMC7444800
doi:
Types de publication
Journal Article
Langues
eng
Pagination
689-693Informations de copyright
© 2020 The Authors. Laryngoscope Investigative Otolaryngology published by Wiley Periodicals LLC. on behalf of The Triological Society.
Déclaration de conflit d'intérêts
The authors declare that no potential conflict of interest.
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