The extradural subtemporal keyhole approach to the sphenocavernous region: Anatomic considerations

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dc.contributor.authorKocaogullar, Y
dc.contributor.authorAvci, E
dc.contributor.authorFossett, D
dc.contributor.authorCaputy, A
dc.date.accessioned2020-03-26T16:46:13Z
dc.date.available2020-03-26T16:46:13Z
dc.date.issued2003
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractFourteen cadaver specimens (28 sides) and twelve dry human skulls (24 sides) were used to study the anatomic relationships between bony, neurovascular and foraminal landmarks in the floor of the middle fossa in preparation for performing the extradural subtemporal keyhole approach to the sphenocavernous region. The interforaminal distance was largest between the foramina rotundum (FR) and ovale (FO) and was smallest between the FO and foramen spinosum (FS). The largest angle between exit foramen was the FIR to FO. The greater superficial petrosal nerve (GSPN) was always found to overlie and run parallel to the petrous internal carotid artery, however, its location over the artery and its separation from it by bone was variable. With a subtemporal "keyhole" placed above the posterior zygomatic root (PZR), a 0degrees endoscope allowed easy visualization of the middle meningeal artery (MMA) and the mandibular nerve (V-3) however, a 30degrees endoscope was more useful for visualizing the maxillary nerve (V-2) and the ophthalmic nerve (V-2). With a sphenoidotomy performed between V-1 and V-2, the 30degrees endoscope was found to be the most useful for visualizing the carotid siphon and the contralateral wall of the sphenoid sinus, while the 70degrees endoscope was the most useful for visualizing of the floor of the Sella and the walls of the sphenoid sinus. Two venous concerns with respect to performing endoscopic approaches to the region were identified: a fibrous layer overlies a heavy venous plexus that encircles the petrous carotid artery, and the foramen Vesalius, which transmits a large emissary vein draining the cavernous sinus, was identified medial to the FO in 30% of our dissected sides.en_US
dc.identifier.doi10.1055/s-2003-39345en_US
dc.identifier.endpage105en_US
dc.identifier.issn0946-7211en_US
dc.identifier.issue2en_US
dc.identifier.pmid12761681en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage100en_US
dc.identifier.urihttps://dx.doi.org/10.1055/s-2003-39345
dc.identifier.urihttps://hdl.handle.net/20.500.12395/18599
dc.identifier.volume46en_US
dc.identifier.wosWOS:000183246500008en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherGEORG THIEME VERLAG KGen_US
dc.relation.ispartofMINIMALLY INVASIVE NEUROSURGERYen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectmiddle fossaen_US
dc.subjectmicrosurgical anatomyen_US
dc.subjectsphenocavernous regionen_US
dc.subjectsubtemporal keyholeen_US
dc.subjectendoscopeen_US
dc.titleThe extradural subtemporal keyhole approach to the sphenocavernous region: Anatomic considerationsen_US
dc.typeArticleen_US

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