Extralaryngeal terminal division of the inferior laryngeal nerve: Anatomical classification by a surgical point of view

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dc.contributor.authorGürleyik, Emin
dc.date.accessioned2020-04-30T13:32:29Z
dc.date.available2020-04-30T13:32:29Z
dc.date.issued2013
dc.departmentDÜ, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümüen_US
dc.description.abstractBackground. Complete anatomic knowledge including all variations of the inferior laryngeal nerve (ILN) is mandatory for thyroid surgeon. Extralaryngeal terminal division (ETD) of the ILN has significant importance for the safety of thyroidectomy. Material and Methods. Surgical dissection of 200 ILNs was performed on 100 cases. The presence of ETD of the nerve was determined intraoperatively. We propose by a surgical point of view a regional (segmental) classification of ETD of the ILN along its cervical course. Results. ETD has been observed in 54/200 nerves (27%). Great majority are bifurcated nerves (trifurcation 2%). Four types of ETD are classified. In type 1 (arterial; 46.3%), ETD has occurred near inferior thyroid artery (ITA). In type 2 (postarterial; 31.5%), division has been found on postarterial segment. In type 3 (prelaryngeal; 11%), division has been located very close to laryngeal entry point. In type 4 (prearterial; 11%), ETD has occurred before the nerve crossing the ITA. Conclusions. ETD of the ILN is a common anatomical variation. The bifurcation occurs in the ILN at various distances from laryngeal entry point. The classification increasing surgeons' awareness may help to simplify identification and exposure of terminal branches. Preservation of both extralaryngeal terminal branches of the ILN has paramount importance for the safety of thyroid operations. © 2013 Emin Gurleyik.en_US
dc.identifier.doi10.1155/2013/731250en_US
dc.identifier.issn2090-8067
dc.identifier.scopusqualityQ3en_US
dc.identifier.urihttps://dx.doi.org/10.1155/2013/731250
dc.identifier.urihttps://hdl.handle.net/20.500.12684/316
dc.identifier.volume2013en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.relation.ispartofJournal of Thyroid Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleExtralaryngeal terminal division of the inferior laryngeal nerve: Anatomical classification by a surgical point of viewen_US
dc.typeArticleen_US

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