A micro-computed tomography study of the sinus tympani variation in humans

Skrzat, Janusz; Kozerska, Magdalena; Zarzecki, Michał; Wronski, Marcin; Tarasiuk, Jacek

doi:10.5603/fm.a2022.0094

Folia Morphol

2023

DOI: 10.5603/fm.a2022.0094

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A micro-computed tomography study of the sinus tympani variation in humans

Janusz Skrzat

Magdalena Kozerska

Michał Zarzecki

et al.

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.

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Cited by 2 publications

References 39 publications

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Radioanatomical evaluation of the subtympanic sinus in children under five years old and its clinical implications - high resolution computed tomography study

Wojciechowski,

Szeliga,

Skadorwa

2024

Surg Radiol Anat

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Purpose This study aimed to evaluate subtympanic sinus (STS) and its vicinity in high-resolution computed tomography (HRCT) scans of children under five years old with non-diseased temporal bones. Material and method We divided the whole group into children under 24 months of age (first stage of pneumatisation development) and between 25 and 60 (second stage). We have determined the width of the entrance to STS, depth of the STS, type in relation to facial nerve according to Anschuetz classification, the pneumatisation of posterior and medial air cell tracts, and jugular bulb position. All the HRCTs (280 temporal bones) were analyzed according to the multiplanar reconstruction protocol with symmetrization. Results STS’s mean width and depth were 2.71 ± 0.60 mm and 3.26 ± 1.11 mm, respectively. The most common STS type was type A (59.3%), followed by type B (30.7%) and type C (10%). The posterior air cell tract (retrofacial cells) was present in 39.3%. The medial air cell tract (hypotympanic cells) was present in 30.7% The jugular bulb position affected the final shape of STS in 17.5%. Conclusion The results support the necessity of the classification for the STS. Our study may help with surgical planning regarding endoscopic ear procedures and gives a broader understanding of how pneumatization or jugular bulb might correlate with the final shape of the retrotympanum. The historical remarks track the term’s origin for clarity in research and respect for earlier investigators.

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Radioanatomical evaluation of the subtympanic sinus in children under five years old and its clinical implications - high resolution computed tomography study

Wojciechowski,

Szeliga,

Skadorwa

2024

Surg Radiol Anat

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The posterior-inferior recess of the sinus tympani, an anatomical novelty

Rusu,

Vrapciu

2025

Annals of Anatomy - Anatomischer Anzeiger

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A micro-computed tomography study of the sinus tympani variation in humans

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 2 publications

References 39 publications

Radioanatomical evaluation of the subtympanic sinus in children under five years old and its clinical implications - high resolution computed tomography study

Radioanatomical evaluation of the subtympanic sinus in children under five years old and its clinical implications - high resolution computed tomography study

The posterior-inferior recess of the sinus tympani, an anatomical novelty

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