Computed tomographic features of the proximal petrous facial nerve canal in recurrent Bell's palsy.
Bell's palsy
computed tomography
facial nerve canal
geniculate ganglion
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 2021
Aug 2021
Historique:
received:
06
01
2021
revised:
20
03
2021
accepted:
20
04
2021
entrez:
17
8
2021
pubmed:
18
8
2021
medline:
18
8
2021
Statut:
epublish
Résumé
The primary objective was to determine whether the narrowest dimensions of the labyrinthine facial nerve (LFN) canal on the symptomatic side in patients with unilateral recurrent Bell's palsy (BP) differ from those on the contralateral side or in asymptomatic, age- and gender-matched controls on computed tomography (CT). The secondary objectives were to assess the extent of bony covering at the geniculate ganglion and to record inter-observer reliability of the CT measurements. The dimensions of the LFN canal at its narrowest point perpendicular to the long axis and the extent of bony covering at the geniculate ganglion were assessed by two radiologists. Statistical analysis was performed using the Wilcoxon signed-rank and Mann-Whitney The study included 21 patients with unilateral recurrent BP and 21 asymptomatic controls. There was no significant difference in the narrowest dimensions of the ipsilateral LFN canal when compared to the contralateral side or controls ( The narrowest dimensions of the LFN canal and the extent of bony covering at the geniculate ganglion do not differ in unilateral recurrent BP, casting doubt over their etiological significance. Level IV.
Identifiants
pubmed: 34401507
doi: 10.1002/lio2.571
pii: LIO2571
pmc: PMC8356870
doi:
Types de publication
Journal Article
Langues
eng
Pagination
816-823Informations de copyright
© 2021 The Authors. Laryngoscope Investigative Otolaryngology published by Wiley Periodicals LLC on behalf of The Triological Society.
Déclaration de conflit d'intérêts
The authors declare no conflicts of interest.
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