Morphology of the trigeminal ganglion: anatomical structures related to trigeminal radiofrequency rhizotomy

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dc.authoridKorkmaz, Ali Can/0000-0002-2217-9326
dc.authoridComert, Ayhan/0000-0002-9309-838X
dc.authoridSavas, Ali/0000-0002-4150-0795
dc.authoridSayaci, Emre Yagiz/0000-0002-9397-3834
dc.authoridGungor, Yigit/0000-0002-9134-8066
dc.authoridguner, yahya efe/0000-0001-9660-5941
dc.contributor.authorSayaci, Emre Yagiz
dc.contributor.authorKahilogullari, Gokmen
dc.contributor.authorComert, Ayhan
dc.contributor.authorGuler, Tugba Morali
dc.contributor.authorGuner, Yahya Efe
dc.contributor.authorKorkmaz, Ali Can
dc.contributor.authorGungor, Yigit
dc.date.accessioned2024-09-29T15:51:05Z
dc.date.available2024-09-29T15:51:05Z
dc.date.issued2022
dc.departmentKarabük Üniversitesien_US
dc.description.abstractBackground Trigeminal neuralgia is the most common example of craniofacial neuralgia. Its etiology is unknown and is characterized by severe episodes of paroxysmal pain. The trigeminal ganglion and its adjacent anatomical structures have a complex anatomy. The foramen ovale is of great importance during surgical procedures such as percutaneous trigeminal rhizotomy for trigeminal neuralgia. Objective We aimed to identify the anatomical structures associated with the trigeminal ganglion and radiofrequency rhizotomy on cadavers and investigate their relationship with the electrodes used during rhizotomy to determine the contribution of the electrode diameter and length to the effectiveness of the lesion formation on the ganglion. Methods Five fresh-frozen cadaver heads injected with red silicone/latex were used. A percutaneous puncture was made by inserting of a cannula through the foramen ovale to create a pathway for electrodes. The relationships between the electrodes, Meckel's cave, trigeminal ganglion, and neurovascular structures were observed and morphometric measurements were obtained using a digital caliper. Results Trigeminal ganglion, therefore the electrode in its final position, shows proximity with important anatomical structures. The electrode was inserted posteriorly into the foramen ovale in all of the specimens and was located on the retrogasserian fibers. This study revealed that the electrodes targeting the ganglion and passing through the foramen ovale may cause a radiofrequency lesion due to the contact effect of the dura itself pressing on the electrode. Pushing the cannula beyond the petroclival angle may result in puncturing of the dura propria and moving further away from the target area. Conclusion The success of radiofrequency rhizotomy is directly related to the area affected by the lesion. Understanding the mechanism of action underlying this procedure will ensure the effectiveness, success, and sustainability of the treatment.en_US
dc.identifier.doi10.1007/s00701-022-05160-7
dc.identifier.endpage1566en_US
dc.identifier.issn0001-6268
dc.identifier.issn0942-0940
dc.identifier.issue6en_US
dc.identifier.pmid35235035en_US
dc.identifier.scopus2-s2.0-85125527802en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1551en_US
dc.identifier.urihttps://doi.org/10.1007/s00701-022-05160-7
dc.identifier.urihttps://hdl.handle.net/20.500.14619/3888
dc.identifier.volume164en_US
dc.identifier.wosWOS:000763300400002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherSpringer Wienen_US
dc.relation.ispartofActa Neurochirurgicaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTrigeminal ganglionen_US
dc.subjectTrigeminal radiofrequency rhizotomyen_US
dc.subjectCadaveren_US
dc.subjectAnatomyen_US
dc.titleMorphology of the trigeminal ganglion: anatomical structures related to trigeminal radiofrequency rhizotomyen_US
dc.typeArticleen_US

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