The trigeminal nerve and ganglion: An anatomical, histological, and radiological study addressing the transtrigeminal approach

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dc.authorid0000-0001-7069-0623
dc.authorid0000-0001-6142-1085
dc.authorid0000-0002-8002-5165
dc.contributor.authorZiyal, İbrahim Mustafa
dc.contributor.authorSekhar, Laligam N
dc.contributor.authorÖzgen, Tunçalp
dc.contributor.authorSöylemezoğlu, Figen
dc.contributor.authorAlper, Murat
dc.contributor.authorBeşer , Mahmut
dc.date.accessioned2021-06-23T18:54:36Z
dc.date.available2021-06-23T18:54:36Z
dc.date.issued2004
dc.departmentBAİBÜ, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümüen_US
dc.description.abstractBackground The transtrigeminal route with splitting of the trigeminal ganglion (TG) is a skull base approach used to expose the posteromedial part of the cavernous sinus (CS), the base of the TG, and the petrolingual ligament (PLL). Methods To verify the transtrigeminal approach (TTA), the 3 divisions of the trigeminal nerve (TN), the so-called TG, and the trigeminal root were analyzed anatomically, histologically, and radiologically. The anatomic study was performed bilaterally in 5 cadaveric head specimens. For the histologic study, 6 TN specimens removed from cadavers were used. In addition, the radiologic demonstration of the TN and its so-called ganglion was performed on 5 cases by magnetic resonance imaging (MRI) scan. Results The TN is composed of linear, crossing, and connecting rootlets. These 3 types of rootlets indicate a plexiform constitution rather than a ganglion even though there are ganglionic cells. Consequently, the term "trigeminal plexus" may be preferred to describe this network. In our new proposed classification, the segments of the TN can be divided into 6 portions according to their relationship with the brainstem, the cisterns, and the bone structures. The first 3 segments before separating into 3 divisions are (1) pontine, (2) cisternal (preganglionic or preplexal), (3) gasserian (ganglionic or plexal). The last 3 segments after the division are (4) preforamino-fissural (postganglionic or postplexal), (5) foramino-fissural, and (6) extracranial (postforamino-fissural). A loose connective tissue along the rootlets of the maxillary and the mandibular divisions of the TN at the gasserian (ganglionic or plexal) segment enabled us to split the so-called "trigeminal ganglion" or "gasserian ganglion" to perform the TTA. Conclusion The TTA is possible, useful, and necessary in selected cases with invasion of the posteromedial part of the CS. © 2004 Elsevier Inc. All rights reserved.en_US
dc.identifier.doi10.1016/j.surneu.2003.07.009
dc.identifier.endpage573en_US
dc.identifier.issn0090-3019
dc.identifier.issue6en_US
dc.identifier.pmid15165800en_US
dc.identifier.scopus2-s2.0-2542553416en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage564en_US
dc.identifier.urihttps://doi.org/10.1016/j.surneu.2003.07.009
dc.identifier.urihttps://hdl.handle.net/20.500.12491/4505
dc.identifier.volume61en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorAlper, Murat
dc.language.isoenen_US
dc.relation.ispartofSurgical Neurologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAnatomyen_US
dc.subjectcavernous sinusen_US
dc.subjectgasserian ganglionen_US
dc.subjecthistologyen_US
dc.subjectMeckel's caveen_US
dc.subjectradiologyen_US
dc.subjecttranstrigeminal approachen_US
dc.subjecttrigeminal ganglionen_US
dc.subjecttrigeminal nerveen_US
dc.subjecttrigeminal plexusen_US
dc.titleThe trigeminal nerve and ganglion: An anatomical, histological, and radiological study addressing the transtrigeminal approachen_US
dc.typeArticleen_US

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