Anatomoradiological landmarks for accuracy of radiofrequency thermorhizotomy in the treatment of trigeminal neuralgia

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dc.contributor.authorTatli, Mehmet
dc.contributor.authorSindou, Marc
dc.date.accessioned2024-04-24T17:15:02Z
dc.date.available2024-04-24T17:15:02Z
dc.date.issued2008
dc.departmentDicle Üniversitesien_US
dc.description.abstractOBJECTIVE: The correct positioning of the electrode is of prime importance for effectiveness and selectivity of percutaneous trigeminal radiofrequency thermorhizotomy (RF-TR) for the treatment of trigeminal neuralgia (TN). The aim Of Our study was to establish some anatomoradiological landmarks for the purpose of accurate placement of the electrode tip in RF-TR. METHODS: Of 1000 patients who underwent RF-TR, 100 were retrospective and randomly selected and divided into Study groups according to postoperative hypoesthesia in the trigeminal nerve divisions. The patients' petroclival angle, petroelectrodal angle, electrode tip, and the petroelectrodal angle/petroclival angle ratio were calculated on lateral cranial x-rays. These measurements were then correlated with the topography of hypoesthesia obtained by the RF-TR to define the anatomoradiological x-ray landmarks corresponding to the divisions of the trigeminal root. The postoperative hypoesthesia groups were correlated with their respective preoperative pain topography to check the accuracy of the thermolesion. in addition, the intraoperatively evoked paresthesia responses and the side effects were evaluated. The results were analyzed using a paired-samples Student's t test, the chi(2) test, and one-way analysis of variance, followed by Bonferroni and Tamhane post hoc tests. RESULTS: All study groups were comparable with respect to age, sex, side effects, electrode tip location, side of TN, and values of petroclival angle. The lowest values of petroelectrodal angle/orbitomeatal electrodal angle and petroelectrodal angle/ petroclival angle were detected in patients With V-3 TN, whereas the greatest values were in patients who had TN in all branches of the trigeminal nerve. The greatest height of the electrode was in patients who had TN in all branches, whereas the least height was in patients with V-3 TN. When the results were compared with each other, the mean differences were found to be statistically significant between V3 TN patients and the other groups with different P values. There was no statistical difference between the postoperative hypoesthesia data and the preoperative pain topography, which demonstrated evidence of the accuracy of the thermolesion in our series. CONCLUSION: Our data suggest that the determination of the presented landmarks allows customization to individual patient anatomy and may help the Surgeon achieve a more selective effect with a variety of percutaneous procedures for each branch of the trigeminal root.en_US
dc.identifier.doi10.1227/01.NEU.0000313569.43073.B2
dc.identifier.endpage137en_US
dc.identifier.issn0148-396X
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-56849084145
dc.identifier.scopusqualityQ1
dc.identifier.startpage129en_US
dc.identifier.urihttps://doi.org/10.1227/01.NEU.0000313569.43073.B2
dc.identifier.urihttps://hdl.handle.net/11468/18311
dc.identifier.volume63en_US
dc.identifier.wosWOS:000258716100035
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherLippincott Williams & Wilkinsen_US
dc.relation.ispartofNeurosurgery
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectRadiofrequency Thermorhizotomyen_US
dc.subjectSomatotopy Of The Trigeminal Rooten_US
dc.subjectTrigeminal Neuralgiaen_US
dc.subjectX-Rayen_US
dc.titleAnatomoradiological landmarks for accuracy of radiofrequency thermorhizotomy in the treatment of trigeminal neuralgiaen_US
dc.titleAnatomoradiological landmarks for accuracy of radiofrequency thermorhizotomy in the treatment of trigeminal neuralgia
dc.typeArticleen_US

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