Air spaces of the temporal bone: a morphometric analysis with clinical implications

Szczepanek, Elżbieta; Ostrowski, Patryk; Rams, Daniel; Bonczar, Michał; Batko, Jakub; Wojciechowski, Wadim; Niemczyk, Kazimierz; Walocha, J; Koziej, Mateusz

doi:10.5603/fm.a2022.0093

Cited by 1 publication

(1 citation statement)

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“…Several studies have investigated the degree of pneumatization in the general population using various radiological modalities. Early studies calculated the affected area on plain radiographic films (8,9), whereas more recent studies have used various methods involving CT to determine the volume of the mastoid air cells (5,7,10,11). However, pneumatization of the mastoid air cells has not been assessed using volumetric methods in patients with PCD.…”

Section: Introductionmentioning

confidence: 99%

Quantification of Mastoid Air Cells and Opacification of the Middle Ear in Primary Ciliary Dyskinesia

Nishida,

Sakaida,

Kitano

et al. 2023

Otol Neurotol

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Objective To evaluate pneumatization and opacification of the temporal bone on computed tomography (CT) images in patients with primary ciliary dyskinesia (PCD). Study Design Retrospective case-control study. Setting Tertiary referral center. Patients Fifteen patients with PCD (30 ears) and 45 age-matched individuals without PCD (90 ears) as controls. Intervention Diagnostic only. Main Outcome Measure(s) Quantification of mastoid air cells in the PCD and control groups and comparison between them. Degree of middle ear opacification on CT images of the temporal bone in the PCD group. Results The volume of the mastoid air cells was 30% smaller in the PCD group than in the control group (p < 0.05). The suppression ratio, which is defined to indicate how much the average volume of mastoid air cells in the PCD group is suppressed relative to the control group, was 64% lower in the PCD group (p < 0.05). Opacification was noted in 47% of the mastoid air cells and 63% of the tympanic cavity on CT images of the temporal bone in the PCD group, which were significantly higher frequencies than in the control group (1.1% and 1.1%, respectively) Conclusions Compared with individuals without PCD, those with PCD showed a significantly smaller volume of mastoid air cells and a significantly higher frequency of opacification of mastoid air cells and tympanic cavity on temporal bone CT. Otitis media raises suspicion for PCD, and the otological manifestations of PCD reported here could help to narrow the differential diagnosis and facilitate early treatment.

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Section: Introductionmentioning

confidence: 99%

Quantification of Mastoid Air Cells and Opacification of the Middle Ear in Primary Ciliary Dyskinesia

Nishida,

Sakaida,

Kitano

et al. 2023

Otol Neurotol

View full text Add to dashboard Cite

show abstract

Air spaces of the temporal bone: a morphometric analysis with clinical implications

Abstract: This article has been peer reviewed and published immediately upon acceptance.It is an open access article, which means that it can be downloaded, printed, and distributed freely, provided the work is properly cited. Articles in "Folia Morphologica" are listed in PubMed.

Cited by 1 publication

References 35 publications

Quantification of Mastoid Air Cells and Opacification of the Middle Ear in Primary Ciliary Dyskinesia

Quantification of Mastoid Air Cells and Opacification of the Middle Ear in Primary Ciliary Dyskinesia

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