Computed tomography evaluation of the morphometry and variations of the infraorbital canal relating to endoscopic surgery
dc.contributor.author | Açar, Gülay | |
dc.contributor.author | Özen, Kemal Emre | |
dc.contributor.author | Güler, İbrahim | |
dc.contributor.author | Büyükmumcu, Mustafa | |
dc.date.accessioned | 2020-03-26T19:53:13Z | |
dc.date.available | 2020-03-26T19:53:13Z | |
dc.date.issued | 2018 | |
dc.department | Selçuk Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü. | en_US |
dc.description.abstract | Introduction: The course of the infraorbital canal may leave the infraorbital nerve susceptible to injury during reconstructive and endoscopic surgery, particularly when surgically manipulating the roof of the maxillary sinus. Objective: We investigated both the morphometry and variations of the infraorbital canal with the aim to show the relationship between them relative to endoscopic approaches. Methods: This retrospective study was performed on paranasal multidetector computed tomography images of 200 patients. Results The infraorbital canal corpus types were categorized as Type 1: within the maxillary bony roof (55.3%), Type 2: partially protruding into maxillary sinus (26.7%), Type 3: within the maxillary sinus (9.5%), Type 4: located anatomically at the outer limit of the zygomatic recess of the maxillary bone (8.5%). The internal angulation and the length of the infraorbital canal, the infraorbital foramen entry angles and the distances related to the infraorbital foramen localization were measured and their relationships with the infraorbital canal variations were analyzed. We reported that the internal angulations in both sagittal and axial sections were mostly found in infraorbital canal Type 1 and 4 (69.2%, 64.7%) but, there were commonly no angulation in Type 3 (68.4%) (p < 0.001). The length of the infraorbital canal and the distances from the infraorbital foramen to the infraorbital rim and piriform aperture was measured as the longest in Type 3 and the smallest in Type 1 (p < 0.001). The sagittal infraorbital foramen entry angles were detected significantly smaller in Type 3 and larger in Type 1 than that in other types (p = 0.003). The maxillary sinus septa and the Haller cell were observed in 28% and 16% of the images, respectively. Conclusion: Precise knowledge of the infraorbital canal corpus types and relationship with the morphometry allow surgeons to choose an appropriate surgical approach to avoid iatrogenic infraorbital nerve injury. (C) 2017 Associacao Brasileira de Otorrinolaringologia e Cirurgia Cervico-Facial. Published by Elsevier Editora Ltda. | en_US |
dc.identifier.citation | Açar, G., Özen, K. E., Güler, İ., Büyükmumcu, M. (2018). Computed Tomography Evaluation of the Morphometry and Variations of the Infraorbital Canal Relating to Endoscopic Surgery. Brazilian Journal of Otorhinolaryngology, 84(6), 713-721. | |
dc.identifier.doi | 10.1016/j.bjorl.2017.08.009 | en_US |
dc.identifier.endpage | 721 | en_US |
dc.identifier.issn | 1808-8694 | en_US |
dc.identifier.issn | 1808-8686 | en_US |
dc.identifier.issue | 6 | en_US |
dc.identifier.pmid | 28943288 | en_US |
dc.identifier.scopusquality | Q2 | en_US |
dc.identifier.startpage | 713 | en_US |
dc.identifier.uri | https://dx.doi.org/10.1016/j.bjorl.2017.08.009 | |
dc.identifier.uri | https://hdl.handle.net/20.500.12395/36440 | |
dc.identifier.volume | 84 | en_US |
dc.identifier.wos | WOS:000450006500008 | en_US |
dc.identifier.wosquality | Q2 | en_US |
dc.indekslendigikaynak | Web of Science | en_US |
dc.indekslendigikaynak | Scopus | en_US |
dc.indekslendigikaynak | PubMed | en_US |
dc.institutionauthor | Güler, İbrahim | |
dc.language.iso | pt | en_US |
dc.publisher | ASSOC BRASILEIRA OTORRINOLARINGOLOGIA & CIRURGIA CERVICOFACIAL | en_US |
dc.relation.ispartof | BRAZILIAN JOURNAL OF OTORHINOLARYNGOLOGY | en_US |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.selcuk | 20240510_oaig | en_US |
dc.subject | Endoscopic sinus surgery | en_US |
dc.subject | Infraorbital canal | en_US |
dc.subject | Infraorbital canal corpus types | en_US |
dc.subject | Infraorbital foramen | en_US |
dc.subject | Multidetector computed tomography | en_US |
dc.title | Computed tomography evaluation of the morphometry and variations of the infraorbital canal relating to endoscopic surgery | en_US |
dc.type | Article | en_US |
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