Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography study

Abstract Anatomical variations in the location and position of temporal bone-related vasculature are routinely encountered in clinical practice, contributing to clinical syndromes and complexities in ear-related and neurological surgeries. Pneumatization of the temporal bone (TB) is one of several f...

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Main Authors: Okikioluwa Stephen Aladeyelu, Samuel Oluwaseun Olojede, Sodiq Kolawole Lawal, Wonder-Boy Eumane Mbatha, Andile Lindokuhle Sibiya, Carmen Olivia Rennie
Format: Article
Language:English
Published: Nature Portfolio 2023-02-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-023-29295-4
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author Okikioluwa Stephen Aladeyelu
Samuel Oluwaseun Olojede
Sodiq Kolawole Lawal
Wonder-Boy Eumane Mbatha
Andile Lindokuhle Sibiya
Carmen Olivia Rennie
author_facet Okikioluwa Stephen Aladeyelu
Samuel Oluwaseun Olojede
Sodiq Kolawole Lawal
Wonder-Boy Eumane Mbatha
Andile Lindokuhle Sibiya
Carmen Olivia Rennie
author_sort Okikioluwa Stephen Aladeyelu
collection DOAJ
description Abstract Anatomical variations in the location and position of temporal bone-related vasculature are routinely encountered in clinical practice, contributing to clinical syndromes and complexities in ear-related and neurological surgeries. Pneumatization of the temporal bone (TB) is one of several factors that have been hypothesized to influence the variabilities and variations of these vessels. This study aimed to investigate the association between the degree of pneumatization and the morphologies of some TB-related vessels, as well as their morphometrical relationship with ear regions. Observational retrospective chart review of 496 TBs computed tomographic scans were examined. Different degrees of pneumatization were observed, with hyper-pneumatization being the most common and hypo-pneumatization being the least. Various anatomical variants of the sigmoid sinus (SS), jugular bulb (JB), and internal carotid artery (ICA) were observed. Distances of SS and JB to ear regions were observed to have significant differences (p < 0.05) in laterality. These distances increased relative to increased air cells, showing a significant association (p < 0.05). A significant association (p < 0.001) was also observed between the degree of pneumatization and variants of JB and ICA. High JB, JB dehiscence, and ICA dehiscence were significantly associated with increased pneumatization, while flat JB was significantly associated with decreasing pneumatization. However, no significant association (p = 0.070, p = 0.645) was observed between the degree of pneumatization and morphologies of SS. This study concludes that the degree of pneumatization influences only the jugular bulb variants and ICA dehiscence, as well as the distances of SS and JB to ear regions.
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spelling doaj.art-5dc5f9ad256f4b5ab49661603d86bf9b2023-02-05T12:12:34ZengNature PortfolioScientific Reports2045-23222023-02-0113111110.1038/s41598-023-29295-4Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography studyOkikioluwa Stephen Aladeyelu0Samuel Oluwaseun Olojede1Sodiq Kolawole Lawal2Wonder-Boy Eumane Mbatha3Andile Lindokuhle Sibiya4Carmen Olivia Rennie5Discipline of Clinical Anatomy, School of Laboratory Medicine and Medical Sciences, Nelson R. Mandela School of Medicine Campus, University of Kwazulu-NatalDiscipline of Clinical Anatomy, School of Laboratory Medicine and Medical Sciences, Nelson R. Mandela School of Medicine Campus, University of Kwazulu-NatalDiscipline of Clinical Anatomy, School of Laboratory Medicine and Medical Sciences, Nelson R. Mandela School of Medicine Campus, University of Kwazulu-NatalRadiology Department, Inkosi Albert Luthuli Central HospitalDiscipline of Otorhinolaryngology- Head and Neck Surgery, School of Clinical Medicine, Nelson R. Mandela School of Medicine Campus, University of Kwazulu-NatalDiscipline of Clinical Anatomy, School of Laboratory Medicine and Medical Sciences, Nelson R. Mandela School of Medicine Campus, University of Kwazulu-NatalAbstract Anatomical variations in the location and position of temporal bone-related vasculature are routinely encountered in clinical practice, contributing to clinical syndromes and complexities in ear-related and neurological surgeries. Pneumatization of the temporal bone (TB) is one of several factors that have been hypothesized to influence the variabilities and variations of these vessels. This study aimed to investigate the association between the degree of pneumatization and the morphologies of some TB-related vessels, as well as their morphometrical relationship with ear regions. Observational retrospective chart review of 496 TBs computed tomographic scans were examined. Different degrees of pneumatization were observed, with hyper-pneumatization being the most common and hypo-pneumatization being the least. Various anatomical variants of the sigmoid sinus (SS), jugular bulb (JB), and internal carotid artery (ICA) were observed. Distances of SS and JB to ear regions were observed to have significant differences (p < 0.05) in laterality. These distances increased relative to increased air cells, showing a significant association (p < 0.05). A significant association (p < 0.001) was also observed between the degree of pneumatization and variants of JB and ICA. High JB, JB dehiscence, and ICA dehiscence were significantly associated with increased pneumatization, while flat JB was significantly associated with decreasing pneumatization. However, no significant association (p = 0.070, p = 0.645) was observed between the degree of pneumatization and morphologies of SS. This study concludes that the degree of pneumatization influences only the jugular bulb variants and ICA dehiscence, as well as the distances of SS and JB to ear regions.https://doi.org/10.1038/s41598-023-29295-4
spellingShingle Okikioluwa Stephen Aladeyelu
Samuel Oluwaseun Olojede
Sodiq Kolawole Lawal
Wonder-Boy Eumane Mbatha
Andile Lindokuhle Sibiya
Carmen Olivia Rennie
Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography study
Scientific Reports
title Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography study
title_full Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography study
title_fullStr Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography study
title_full_unstemmed Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography study
title_short Influence of pneumatization on morphology of temporal bone-related vasculatures and their morphometric relationship with ear regions: a computed tomography study
title_sort influence of pneumatization on morphology of temporal bone related vasculatures and their morphometric relationship with ear regions a computed tomography study
url https://doi.org/10.1038/s41598-023-29295-4
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