Juelke, Eirik; Butzer, Tobias; Yacoub, Abraam; Wimmer, Wilhelm; Caversaccio, Marco; Anschuetz, Lukas (2023). Assessment of jugular bulb variability based on 3D surface models: quantitative measurements and surgical implications. Surgical and radiologic anatomy, 45(3), pp. 315-319. Springer 10.1007/s00276-023-03087-x
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PURPOSE
High-riding jugular bulbs (JBs) among other anatomical variations can limit surgical access during lateral skull base surgery or middle ear surgery and must be carefully assessed preoperatively. We reconstruct 3D surface models to evaluate recent JB classification systems and assess the variability in the JB and surrounding structures.
METHODS
3D surface models were reconstructed from 46 temporal bones from computed tomography scans. Two independent raters visually assessed the height of the JB in the 3D models. Distances between the round window and the JB dome were measured to evaluate the spacing of this area. Additional distances between landmarks on surrounding structures were measured and statistically analyzed to describe the anatomical variability between and within subjects.
RESULTS
The visual classification revealed that 30% of the specimens had no JB, 63% a low JB, and 7% a high-riding JB. The measured mean distance from the round window to the jugular bulb ranges between 3.22 ± 0.97 mm and 10.34 ± 1.41 mm. The distance measurement (error rate 5%) was more accurate than the visual classification (error rate 15%). The variability of the JB was higher than for the surrounding structures. No systematic laterality was found for any structure.
CONCLUSION
Qualitative analysis in 3D models can contribute to a better spatial orientation in the lateral skull base and, thereby, have important implications during planning of middle ear and lateral skull base surgery.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ear, Nose and Throat Disorders (ENT) 10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Hearing Research Laboratory 10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research |
UniBE Contributor: |
Jülke, Eirik Tobias, Bützer, Tobias, Wimmer, Wilhelm, Caversaccio, Marco, Anschütz, Lukas Peter |
Subjects: |
600 Technology > 610 Medicine & health 500 Science > 570 Life sciences; biology |
ISSN: |
0930-1038 |
Publisher: |
Springer |
Language: |
English |
Submitter: |
Pubmed Import |
Date Deposited: |
03 Feb 2023 11:39 |
Last Modified: |
03 Mar 2023 00:15 |
Publisher DOI: |
10.1007/s00276-023-03087-x |
PubMed ID: |
36732380 |
Uncontrolled Keywords: |
High-riding jugular bulb Lateral skull base surgery Three-dimensional reconstruction |
BORIS DOI: |
10.48350/178332 |
URI: |
https://boris.unibe.ch/id/eprint/178332 |
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