Can MDCT Scan of the Temporal Bone Looking at Pneumatization Predict Surgical Vulnerability of the Facial Nerve?

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dc.contributor.authorInal M.
dc.contributor.authorMuluk N.B.
dc.contributor.authorŞahan M.H.
dc.contributor.authorAsal N.
dc.contributor.authorŞimşek G.
dc.contributor.authorArıkan O.K.
dc.date.accessioned2020-06-25T15:18:09Z
dc.date.available2020-06-25T15:18:09Z
dc.date.issued2019
dc.departmentKırıkkale Üniversitesi
dc.description.abstractObjectives: The aim of this study is to investigate the scutum–cochleariform process (CP) and scutum–promontorium distances according to the mastoid pneumatization condition. Methods: Two hundred temporal multidetector computed tomography scans (90 males and 110 females) were evaluated retrospectively. The scutum-CP and scutum–promontorium distances were measured. Facial canal dehiscence (FCD) in the tympanic segment and mastoid pneumatization were also evaluated. Results: The distances between scutum-CP and scutum–promontorium were not different between males and females and between right and left sides. Facial canal dehiscence in the tympanic segment was detected: 5.6% (right) and 7.8% (left) in males and 5.5% (right) and 10.0% (left) in females. Grade 4 (100%) pneumatization was detected mainly in 55.6% to 57.8% of the patients in both genders. Grade 0 (0%) pneumatization (sclerosis) was detected in 22.2% to 28.2% of both males and females. In more pneumatized mastoids, the scutum-CP and scutum–promontorium distances increased. In sclerotic mastoids, the scutum-CP and scutum–promontorium distances decreased. Facial canal dehiscence rates were not related to the mastoid pneumatization levels. Conclusion: Cochleariform process is an important landmark to localize the tympanic segment of the facial canal. In sclerosed mastoids, scutum-CP and scutum–promontorium distances decreased. There was no relationship between FCD rates and mastoid pneumatization levels. It may be due to the development of FCD that occurs during the intrauterine period. In endoscopic and classic ear surgeries, mastoid pneumatization must be evaluated preoperatively to avoid facial nerve injuries. © The Author(s) 2019.en_US
dc.identifier.doi10.1177/0145561319879528
dc.identifier.issn01455613
dc.identifier.pmid31581825
dc.identifier.scopus2-s2.0-85074613150
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1177/0145561319879528
dc.identifier.urihttps://hdl.handle.net/20.500.12587/2640
dc.identifier.wosWOS:000576510000001
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSAGE Publications Ltden_US
dc.relation.ispartofEar, Nose and Throat Journal
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectcochleariform processen_US
dc.subjectfacial canal dehiscenceen_US
dc.subjectmastoid pneumatizationen_US
dc.subjectpromontoriumen_US
dc.subjectscutumen_US
dc.subjecttympanic segmenten_US
dc.titleCan MDCT Scan of the Temporal Bone Looking at Pneumatization Predict Surgical Vulnerability of the Facial Nerve?en_US
dc.typeArticle

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