Evidence map›Paper›PMID 40119144›Full record

ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2025

Radiological evaluation of facial nerve and facial canal in patients with Bell's palsy.

Fırat Onur, Neşe Uçar, Derya Cebeci, Batuhan Bileyci, Burak Bük, Ömer Necati Develioğlu

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Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Fırat OnurDepartment of Otorhinolaryngology , University of Health Sciences, Gaziosmanpaşa Training and Research Hospital, Gaziosmanpaşa, İstanbul, Turkey. firat.onr@hotmail.com.ORCID http://orcid.org/0000-0002-8967-6693
Neşe UçarDepartment of Radiology, University of Health Sciences, Gaziosmanpaşa Training and Research Hospital, Gaziosmanpaşa, İstanbul, Turkey.ORCID http://orcid.org/0000-0003-2233-4338
Derya CebeciDepartment of Otorhinolaryngology , University of Health Sciences, Gaziosmanpaşa Training and Research Hospital, Gaziosmanpaşa, İstanbul, Turkey.ORCID http://orcid.org/0000-0001-6597-5632
Batuhan BileyciDepartment of Otorhinolaryngology , University of Health Sciences, Gaziosmanpaşa Training and Research Hospital, Gaziosmanpaşa, İstanbul, Turkey.ORCID https://orcid.org/0009-0004-4546-4551
Burak BükDepartment of Radiology, University of Health Sciences, Gaziosmanpaşa Training and Research Hospital, Gaziosmanpaşa, İstanbul, Turkey.ORCID https://orcid.org/0009-0007-3087-7275
Ömer Necati DevelioğluDepartment of Otorhinolaryngology , University of Health Sciences, Gaziosmanpaşa Training and Research Hospital, Gaziosmanpaşa, İstanbul, Turkey.ORCID http://orcid.org/0000-0001-6725-1013

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo evaluate the diameter of the facial nerve (FN) and facial canal (FC) at different segments in Bell's palsy (BP) patients and compare the facial nerve/facial canal width ratio (FN/FC) of the the affected and healthy sides to determine the entrapped sites.

methodsThis retrospective study enrolled 47 patients with BP that were referred to a tertiary referral hospital. From patients' records, initial House-Brackmann grades, cranial computurized tomography (CT) and contrast enhanced temporal magnetic resonance imaging (MRI) scans were revieved. FC and FN diameter measurements were performed at the midpoint of labyrinthine segment, geniculate ganglion and tympanic segment in the axial plane, and mastoid segment in the sagittal plane. Contrast-enhanced segments on MRI were evaluated.

resultsThere was no statistically significant difference between the FC diameters of the affected and the healthy sides on CT at any measured segments. FN diameter was increased significantly for all segments except mastoid segment on the affected side compared to the healthy side. FN/FC ratio was significantly greater on the affected side than the healthy side in all measured segments. Evident contrast enhancement was observed in all affected FNs, with geniculate ganglion and labyrinthine segment being the most common sites with contrast enhancement on MRI.

conclusionAnatomical differences in FC may not be the main predisposing factor in BP. As the geniculate ganglion and labyrinthine segments had the highest FN/FC ratio and showed clear contrast enhancement on MRI, these findings may indicate a higher risk of inflammation and entrapment in these segments.

Indexed as

Bell PalsyFacial NerveAdolescentAdultAgedFemaleHumansMagnetic Resonance ImagingMaleMiddle AgedRetrospective StudiesTomography, X-Ray ComputedYoung AdultBell’s palsyFacial canalFacial nerveHouse-Brackmann gradeIdiopathic peripheral facial palsy

Identifiers

PMID40119144

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.