Bifid Facial Nerve with Dual Origin Identified During Resection of Vestibular Schwannoma
Facial nerve identification and preservation is a critical step in the resection of vestibular schwannoma. The use of intraoperative neurostimulation to positively identify the facial nerve along its entire course is essential to prevent injury. To our knowledge, this is the first reported case of a...
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| Veröffentlicht in: | World neurosurgery 2019-12, Vol.132, p.375-376 |
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| creator | Harley, Benjamin Rosenfeld, Jeffrey V. Cousins, Vincent |
| description | Facial nerve identification and preservation is a critical step in the resection of vestibular schwannoma. The use of intraoperative neurostimulation to positively identify the facial nerve along its entire course is essential to prevent injury. To our knowledge, this is the first reported case of a bifid facial nerve with a dual origin at the brainstem, which we observed during resection of vestibular schwannoma via the translabyrinthine approach. Both roots were visualized to join as one facial nerve trunk outside the brainstem in the cisternal segment of the facial nerve, and both trunks demonstrated positive signal with neurostimulation. This case highlights an important anatomic variation and also the importance of correct identification of facial nerve anatomy during resection of vestibular schwannoma and other pathologies within the cerebellopontine angle. |
| doi_str_mv | 10.1016/j.wneu.2019.08.213 |
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The use of intraoperative neurostimulation to positively identify the facial nerve along its entire course is essential to prevent injury. To our knowledge, this is the first reported case of a bifid facial nerve with a dual origin at the brainstem, which we observed during resection of vestibular schwannoma via the translabyrinthine approach. Both roots were visualized to join as one facial nerve trunk outside the brainstem in the cisternal segment of the facial nerve, and both trunks demonstrated positive signal with neurostimulation. This case highlights an important anatomic variation and also the importance of correct identification of facial nerve anatomy during resection of vestibular schwannoma and other pathologies within the cerebellopontine angle.</description><identifier>ISSN: 1878-8750</identifier><identifier>EISSN: 1878-8769</identifier><identifier>DOI: 10.1016/j.wneu.2019.08.213</identifier><identifier>PMID: 31493615</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Bifid ; Cerebellopontine Angle - pathology ; Ear, Inner - surgery ; Electric Stimulation ; Facial nerve ; Facial Nerve - abnormalities ; Facial Nerve - pathology ; Humans ; Male ; Middle Aged ; Neuroma, Acoustic - surgery ; Neurosurgical Procedures ; Translabyrinthine ; Vestibular schwannoma</subject><ispartof>World neurosurgery, 2019-12, Vol.132, p.375-376</ispartof><rights>2019 Elsevier Inc.</rights><rights>Copyright © 2019 Elsevier Inc. 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This case highlights an important anatomic variation and also the importance of correct identification of facial nerve anatomy during resection of vestibular schwannoma and other pathologies within the cerebellopontine angle.</description><subject>Bifid</subject><subject>Cerebellopontine Angle - pathology</subject><subject>Ear, Inner - surgery</subject><subject>Electric Stimulation</subject><subject>Facial nerve</subject><subject>Facial Nerve - abnormalities</subject><subject>Facial Nerve - pathology</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Neuroma, Acoustic - surgery</subject><subject>Neurosurgical Procedures</subject><subject>Translabyrinthine</subject><subject>Vestibular schwannoma</subject><issn>1878-8750</issn><issn>1878-8769</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEtLxDAUhYMoKqN_wIVk6WZqXk0TcONbQRR84S6k6a1m6KSatA7-ezOMujSbnBvOOdx8CO1RUlBC5eGsWAQYC0aoLogqGOVraJuqSk1VJfX6ny7JFtpNaUby4VSoim-irSw0l7TcRi8nvvUNvrDO2w7fQvwEvPDDGz4b83wX_asP-LqBMGQfNPk5-vCK7yGBG3wfcN_iZ0iDr8fORvzg3hY2hH5ud9BGa7sEuz_3BD1dnD-eXk1v7i6vT49vpo6XcpjaUtWEls4JKWqoCGeKCQtUUFty20pJtSyFEFy3kmlWOa14K3VpW67qmkk-QQer3vfYf4x5EzP3yUHX2QD9mAxjSmrKRAY0QWxldbFPKUJr3qOf2_hlKDFLqGZmllDNEqohyuRMDu3_9I_1HJq_yC_CbDhaGSD_8tNDNMl5CA4aHzMj0_T-v_5v78OG5Q</recordid><startdate>201912</startdate><enddate>201912</enddate><creator>Harley, Benjamin</creator><creator>Rosenfeld, Jeffrey V.</creator><creator>Cousins, Vincent</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201912</creationdate><title>Bifid Facial Nerve with Dual Origin Identified During Resection of Vestibular Schwannoma</title><author>Harley, Benjamin ; Rosenfeld, Jeffrey V. ; Cousins, Vincent</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-a58b015cc464be7032824ae141a53af66196544439f62927c983f695af38bb263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Bifid</topic><topic>Cerebellopontine Angle - pathology</topic><topic>Ear, Inner - surgery</topic><topic>Electric Stimulation</topic><topic>Facial nerve</topic><topic>Facial Nerve - abnormalities</topic><topic>Facial Nerve - pathology</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Neuroma, Acoustic - surgery</topic><topic>Neurosurgical Procedures</topic><topic>Translabyrinthine</topic><topic>Vestibular schwannoma</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Harley, Benjamin</creatorcontrib><creatorcontrib>Rosenfeld, Jeffrey V.</creatorcontrib><creatorcontrib>Cousins, Vincent</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>World neurosurgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Harley, Benjamin</au><au>Rosenfeld, Jeffrey V.</au><au>Cousins, Vincent</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bifid Facial Nerve with Dual Origin Identified During Resection of Vestibular Schwannoma</atitle><jtitle>World neurosurgery</jtitle><addtitle>World Neurosurg</addtitle><date>2019-12</date><risdate>2019</risdate><volume>132</volume><spage>375</spage><epage>376</epage><pages>375-376</pages><issn>1878-8750</issn><eissn>1878-8769</eissn><abstract>Facial nerve identification and preservation is a critical step in the resection of vestibular schwannoma. The use of intraoperative neurostimulation to positively identify the facial nerve along its entire course is essential to prevent injury. To our knowledge, this is the first reported case of a bifid facial nerve with a dual origin at the brainstem, which we observed during resection of vestibular schwannoma via the translabyrinthine approach. Both roots were visualized to join as one facial nerve trunk outside the brainstem in the cisternal segment of the facial nerve, and both trunks demonstrated positive signal with neurostimulation. This case highlights an important anatomic variation and also the importance of correct identification of facial nerve anatomy during resection of vestibular schwannoma and other pathologies within the cerebellopontine angle.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>31493615</pmid><doi>10.1016/j.wneu.2019.08.213</doi><tpages>2</tpages></addata></record> |
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| ispartof | World neurosurgery, 2019-12, Vol.132, p.375-376 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Bifid Cerebellopontine Angle - pathology Ear, Inner - surgery Electric Stimulation Facial nerve Facial Nerve - abnormalities Facial Nerve - pathology Humans Male Middle Aged Neuroma, Acoustic - surgery Neurosurgical Procedures Translabyrinthine Vestibular schwannoma |
| title | Bifid Facial Nerve with Dual Origin Identified During Resection of Vestibular Schwannoma |
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