Patterns of neurovascular compression in patients with classic trigeminal neuralgia: A high-resolution MRI-based study

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dc.contributor.authorLorenzoni, Jose
dc.contributor.authorDavid, Philippe
dc.contributor.authorLevivier, Marc
dc.date.accessioned2024-01-10T13:51:52Z
dc.date.available2024-01-10T13:51:52Z
dc.date.issued2012
dc.description.abstractPurpose: To describe the anatomical characteristics and patterns of neurovascular compression in patients suffering classic trigeminal neuralgia (CTN), using high-resolution magnetic resonance imaging (MRI).
dc.description.abstractMaterials and methods: The analysis of the anatomy of the trigeminal nerve, brain stem and the vascular structures related to this nerve was made in 100 consecutive patients treated with a Gamma Knife radiosurgery for CTN between December 1999 and September 2004. MRI studies (T1, T1 enhanced and T2-SPIR) with axial, coronal and sagital simultaneous visualization were dynamically assessed using the software GammaPlan (TM). Three-dimensional reconstructions were also developed in some representative cases.
dc.description.abstractResults: In 93 patients (93%), there were one or several vascular structures in contact, either, with the trigeminal nerve, or close to its origin in the pons. The superior cerebellar artery was involved in 71 cases (76%). Other vessels identified were the antero-inferior cerebellar artery, the basilar artery, the vertebral artery, and some venous structures. Vascular compression was found anywhere along the trigeminal nerve. The mean distance between the nerve compression and the origin of the nerve in the brainstem was 3.76 +/- 2.9mm (range 0-9.8 mm). In 39 patients (42%), the vascular compression was located proximally and in 42 (45%) the compression was located distally. Nerve dislocation or distortion by the vessel was observed in 30 cases (32%).
dc.description.abstractConclusions: The findings of this study are similar to those reported in surgical and autopsy series. This non-invasive MRI-based approach could be useful for diagnostic and therapeutic decisions in CTN, and it could help to understand its pathogenesis. (c) 2009 Elsevier Ireland Ltd. All rights reserved.
dc.fechaingreso.objetodigital2024-04-16
dc.format.extent7 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.ejrad.2009.09.017
dc.identifier.issn0720-048X
dc.identifier.pubmedidMEDLINE:19819657
dc.identifier.urihttps://doi.org/10.1016/j.ejrad.2009.09.017
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/79631
dc.identifier.wosidWOS:000307126200047
dc.information.autorucMedicina;Lorenzoni J;S/I;80739
dc.issue.numero8
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final1857
dc.pagina.inicio1851
dc.publisherELSEVIER IRELAND LTD
dc.revistaEUROPEAN JOURNAL OF RADIOLOGY
dc.rightsacceso restringido
dc.subjectTrigeminal neuralgia
dc.subjectNerve compression syndromes
dc.subjectAnatomy
dc.subjectMagnetic resonance imaging
dc.subjectMAGNETIC-RESONANCE ANGIOGRAPHY
dc.subjectMICROVASCULAR DECOMPRESSION
dc.subjectVISUALIZATION
dc.subjectANATOMY
dc.subjectNERVE
dc.subjectPAIN
dc.subjectRADIOSURGERY
dc.titlePatterns of neurovascular compression in patients with classic trigeminal neuralgia: A high-resolution MRI-based study
dc.typeartículo
dc.volumen81
sipa.codpersvinculados80739
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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