Trigeminal neuralgia

Abstract Two different clinical entities, essential or secondary neuralgia, are associated with different pathologies. The pathways of CN V comprise the cervical spine, the brainstem, the root of the nerve and the three peripheral branches: V1, V2 and V3. The lesions responsible for neuralgia are ne...

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Bibliographic Details
Published in:Diagnostic and interventional imaging 2013-10, Vol.94 (10), p.993-1001
Main Authors: Leclercq, D, Thiebaut, J.-B, Héran, F
Format: Article
Language:English
Subjects:
Cranial Nerve Neoplasms - diagnosis
Cranial Nerve Neoplasms - pathology
Cranial nerves
Diagnosis, Differential
Humans
Image Enhancement
Image Interpretation, Computer-Assisted
Magnetic Resonance Imaging
Nerve Compression Syndromes - diagnosis
Nerve Compression Syndromes - pathology
Neural Pathways - pathology
Neurologic Examination
Pain
Radiology
Sensitivity and Specificity
Trigeminal Nerve - pathology
Trigeminal Nerve Diseases - pathology
Trigeminal Nerve Injuries - diagnosis
Trigeminal Nerve Injuries - pathology
Trigeminal neuralgia
Trigeminal Neuralgia - diagnosis
Trigeminal Neuralgia - etiology
Trigeminal Neuralgia - pathology
Trigeminal Nuclei - pathology
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Summary:Abstract Two different clinical entities, essential or secondary neuralgia, are associated with different pathologies. The pathways of CN V comprise the cervical spine, the brainstem, the root of the nerve and the three peripheral branches: V1, V2 and V3. The lesions responsible for neuralgia are neoplastic, vascular, inflammatory, malformative or post-traumatic. The examination protocol should explore the set of CN V pathways. Neurovascular compression is the main cause of essential neuralgia. It is investigated by T2-weighted inframillimetric volume. Two conditions are necessary to diagnose a neurovascular compression: localised on the root entry zone [(REZ), 2–6 mm from the emergence of the pons] and perpendicularly. In the absence of neurovascular compression, thin slices and a gadolinium injection are necessary.
ISSN:2211-5684
2211-5684
DOI:10.1016/j.diii.2013.08.002