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Published on: May 19, 2015
Morphological variability of the jugular foramen: a comprehensive anatomical-imaging study emphasizing its
George Triantafyllou1, Ioannis Paschopoulos1, Panagiotis Papadopoulos-Manolarakis1,2
1Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 75 Mikras Asias str, Goudi, Athens, 11527, Greece.
This study analyzed jugular foramen (JF) anatomy using CT scans and skull specimens. Intrajugular processes (IJPs) were common, narrowing JF compartments and impacting skull base surgery planning.
Area of Science:
- Anatomy
- Radiology
- Neurosurgery
Background:
- The jugular foramen (JF) is a complex skull base region vital for neurosurgery.
- Understanding JF morphological variability is crucial for surgical planning and risk assessment.
Purpose of the Study:
- To investigate the morphological variability of the jugular foramen (JF).
- To analyze JF orifices using osteological assessment and computed tomography (CT) scans.
- To evaluate the impact of intrajugular processes (IJPs) on JF dimensions.
Main Methods:
- Examination of 200 adult skulls (100 dried, 100 CT scans) bilaterally.
- Classification of JF based on intrajugular processes (IJPs).
- Morphometric measurements and statistical analyses of JF dimensions.
Main Results:
- Intrajugular processes (IJPs) were more frequent in the intracranial JF orifice (41%) than extracranial (19.5%).
- Right-sided predominance in intracranial JF dimensions was observed; no significant sex differences.
- Increasing IJPs correlated with narrower JF compartments.
Conclusions:
- Detailed anatomical and radiological analysis of JF variability.
- Highlights the clinical implications of IJPs for skull base surgery.
- Emphasizes preoperative imaging for identifying IJP-related compartmentalization impacting surgical planning.
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