"Triple cross" of the hypoglossal nerve and its microsurgical impact to entrapment disorders

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dc.contributor.authorBademci, G.
dc.contributor.authorBatay, F.
dc.contributor.authorYaşargil, M. G.
dc.date.accessioned2020-06-25T17:43:30Z
dc.date.available2020-06-25T17:43:30Z
dc.date.issued2006
dc.description.abstractObjective: Cadaveric dissections were performed to review the intracranial and extracranial course of the hypoglossal nerve. The neurological significance of a newly defined "triple cross" of the hypoglossal nerve is discussed. Materials and Methods: 10 cadaveric heads (left and right; 20 sides) were dissected using microsurgical techniques. Results: In the cisternal segment of hypoglossal nerve, the diameter of the rostral trunk amounted to 155-680 mu m (mean 435 mu m), and the caudal trunk to 210-820 mu m (mean 482 mu m). The roots formed three trunks in 20% of the hypoglossal nerves and two trunks in the rest. As a first cross, the anterior medullary segment of the vertebral artery crossed the hypoglossal nerve roots in 14 of 20 sides (70%). As a rare variation, the vertebral artery extended medial to the nerve (25%) or between its roots (5%). The second cross was found between the descendens hypoglossus and the occipital artery (75%), sternocleidomastoid artery and vein complex (15%) and external carotid artery (10%). The third cross was shown in the submandibular triangle between the lingual hypoglossus and its drainage vein; vena committans nervus hypoglossus. Conclusion: Throughout its way, the hypoglossal nerve passes over vascular structures in three crossing points which may serve as a probable cause of hypoglossal nerve entrapment disorders.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1055/s-2006-948299
dc.identifier.endpage237en_US
dc.identifier.issn0946-7211
dc.identifier.issue4en_US
dc.identifier.pmid17041836
dc.identifier.scopus2-s2.0-33750216493
dc.identifier.scopusqualityN/A
dc.identifier.startpage234en_US
dc.identifier.urihttps://doi.org10.1055/s-2006-948299
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3746
dc.identifier.volume49en_US
dc.identifier.wosWOS:000241635400010
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherGeorg Thieme Verlag Kgen_US
dc.relation.ispartofMinimally Invasive Neurosurgery
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjecthypoglossal nerveen_US
dc.subjecttriple crossen_US
dc.subjectcross-compressionen_US
dc.subjectentrapment disordersen_US
dc.subjectmicrosurgical anatomyen_US
dc.title"Triple cross" of the hypoglossal nerve and its microsurgical impact to entrapment disordersen_US
dc.typeArticle

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