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Pathology of the trigeminal nerve
Minerva Becker1, Romain Kohler, Maria Isabel Vargas
1Head and Neck and Maxillofacial Radiology, Department of Radiology, Geneva University Hospital, Rue Micheli-du-Crest 24, CH - 1211 Geneva 14, Switzerland. minerva.becker@hcuge.ch
Neuroimaging Clinics of North America
|May 10, 2008
Summary
This review covers trigeminal nerve (TN) imaging, focusing on anatomy, pathologies, and diagnostic techniques. It highlights MR imaging as the primary tool for TN neuropathy, with CT useful for skull base assessment.
Area of Science:
- Radiology
- Neuroimaging
- Anatomy
Background:
- The trigeminal nerve (TN) is crucial for facial sensation and mastication.
- Understanding TN anatomy and pathologies is vital for accurate diagnosis.
- Imaging the TN presents challenges due to its extensive course.
Purpose of the Study:
- To discuss the clinical, radiologic, and pathologic features of common trigeminal nerve dysfunctions.
- To provide an overview of imaging techniques for the trigeminal nerve.
- To correlate imaging findings with specific anatomic levels of the nerve.
Main Methods:
- Review of current literature on trigeminal nerve imaging.
- Discussion of Magnetic Resonance (MR) imaging and Computed Tomography (CT) techniques.
- Correlation of imaging findings with clinical and pathological data.
Main Results:
- MR imaging is the preferred modality for trigeminal neuropathy.
- CT remains valuable for evaluating skull base foramina and facial bone structures.
- Various pathologies affect the trigeminal nerve at different anatomic locations.
Conclusions:
- Comprehensive understanding of TN anatomy and pathology is essential for effective imaging.
- MR imaging is superior for diagnosing trigeminal neuropathy.
- CT plays a complementary role in specific skull base and facial evaluations.
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