Assessment of jugular bulb variability based on 3D surface models: quantitative measurements and surgical implications.
Humans
Ear, Middle
/ surgery
Jugular Veins
/ anatomy & histology
Skull Base
/ diagnostic imaging
Temporal Bone
/ diagnostic imaging
Tomography, X-Ray Computed
/ methods
Imaging, Three-Dimensional
Otologic Surgical Procedures
/ methods
Neurosurgical Procedures
/ methods
Round Window, Ear
/ diagnostic imaging
Body Weights and Measures
High-riding jugular bulb
Lateral skull base surgery
Three-dimensional reconstruction
Journal
Surgical and radiologic anatomy : SRA
ISSN: 1279-8517
Titre abrégé: Surg Radiol Anat
Pays: Germany
ID NLM: 8608029
Informations de publication
Date de publication:
Mar 2023
Mar 2023
Historique:
received:
30
03
2022
accepted:
13
01
2023
pubmed:
3
2
2023
medline:
7
3
2023
entrez:
2
2
2023
Statut:
ppublish
Résumé
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. 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. 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. 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.
Identifiants
pubmed: 36732380
doi: 10.1007/s00276-023-03087-x
pii: 10.1007/s00276-023-03087-x
pmc: PMC9981494
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
315-319Informations de copyright
© 2023. The Author(s).
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