Location of Small Intracanalicular Vestibular Schwannomas Based on Magnetic Resonance Imaging
Vestibular schwannomas (VSs) were proposed to arise from the glial–Schwann cell junction within the internal auditory canal (IAC). However, otopathology studies indicate that VS may arise anywhere along the course of the vestibular nerve. Recent studies suggested that the majority of tumors are loca...
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| creator | Koen, Nicholas Shapiro, Chandler Kozin, Elliott D. Cunnane, Mary E. Remenschneider, Aaron K. McKenna, Michael J. Jung, David H. |
| description | Vestibular schwannomas (VSs) were proposed to arise from the glial–Schwann cell junction within the internal auditory canal (IAC). However, otopathology studies indicate that VS may arise anywhere along the course of the vestibular nerve. Recent studies suggested that the majority of tumors are located centrally within the IAC with an equal distribution near the porus acusticus and the fundus. However, these studies analyzed tumors of all sizes, obscuring their precise origin. Herein, we aim to quantify the position of small intracanalicular tumors ( |
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However, otopathology studies indicate that VS may arise anywhere along the course of the vestibular nerve. Recent studies suggested that the majority of tumors are located centrally within the IAC with an equal distribution near the porus acusticus and the fundus. However, these studies analyzed tumors of all sizes, obscuring their precise origin. Herein, we aim to quantify the position of small intracanalicular tumors (<5 mm), assessing hearing outcomes and growth patterns in relation to tumor position. Of the 38 small intracanalicular tumors analyzed, 61% originated closest to the fundus, 34% at the midpoint, and only 5% closest to the porus acusticus. Tumors were observed with serial magnetic resonance imaging for 3.37 ± 2.65 years (mean ± SD) without intervention. Our findings indicate a lateral predominance of small VS within the IAC, an independence between tumor location and hearing outcomes, and further support the slow natural progression of VS.</description><identifier>ISSN: 0194-5998</identifier><identifier>EISSN: 1097-6817</identifier><identifier>DOI: 10.1177/0194599819893106</identifier><identifier>PMID: 31842677</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>acoustic neuroma management ; radiologic localization ; vestibular schwannoma</subject><ispartof>Otolaryngology-head and neck surgery, 2020-02, Vol.162 (2), p.211-214</ispartof><rights>American Academy of Otolaryngology–Head and Neck Surgery Foundation 2019</rights><rights>2020 American Association of Otolaryngology‐Head and Neck Surgery Foundation (AAO‐HNSF)</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3864-fd90864efb18c0eecd436eb473d5851a8ed76c3e609eb2861ad4a0ea7a7eca603</citedby><cites>FETCH-LOGICAL-c3864-fd90864efb18c0eecd436eb473d5851a8ed76c3e609eb2861ad4a0ea7a7eca603</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/0194599819893106$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/0194599819893106$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,780,784,1416,21817,27922,27923,43619,43620,45572,45573</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31842677$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Koen, Nicholas</creatorcontrib><creatorcontrib>Shapiro, Chandler</creatorcontrib><creatorcontrib>Kozin, Elliott D.</creatorcontrib><creatorcontrib>Cunnane, Mary E.</creatorcontrib><creatorcontrib>Remenschneider, Aaron K.</creatorcontrib><creatorcontrib>McKenna, Michael J.</creatorcontrib><creatorcontrib>Jung, David H.</creatorcontrib><title>Location of Small Intracanalicular Vestibular Schwannomas Based on Magnetic Resonance Imaging</title><title>Otolaryngology-head and neck surgery</title><addtitle>Otolaryngol Head Neck Surg</addtitle><description>Vestibular schwannomas (VSs) were proposed to arise from the glial–Schwann cell junction within the internal auditory canal (IAC). However, otopathology studies indicate that VS may arise anywhere along the course of the vestibular nerve. Recent studies suggested that the majority of tumors are located centrally within the IAC with an equal distribution near the porus acusticus and the fundus. However, these studies analyzed tumors of all sizes, obscuring their precise origin. Herein, we aim to quantify the position of small intracanalicular tumors (<5 mm), assessing hearing outcomes and growth patterns in relation to tumor position. Of the 38 small intracanalicular tumors analyzed, 61% originated closest to the fundus, 34% at the midpoint, and only 5% closest to the porus acusticus. Tumors were observed with serial magnetic resonance imaging for 3.37 ± 2.65 years (mean ± SD) without intervention. Our findings indicate a lateral predominance of small VS within the IAC, an independence between tumor location and hearing outcomes, and further support the slow natural progression of VS.</description><subject>acoustic neuroma management</subject><subject>radiologic localization</subject><subject>vestibular schwannoma</subject><issn>0194-5998</issn><issn>1097-6817</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkM1Lw0AUxBdRbK3ePUmOXqK73XQ_jlasLVQLVr1JeNm81JRkt2YTSv97U1s9COJpHsz8hscQcs7oFWNSXlOmo4HWimmlOaPigHQZ1TIUislD0t3a4dbvkBPvl5RSIaQ8Jh3OVNRvzy55mzoDde5s4LJgXkJRBBNbV2DAQpGbpoAqeEVf58nXOTfva7DWleCDIXhMg5Z8gIXFOjfBE3pnwRoMJiUscrs4JUcZFB7P9tojL6O759txOJ3dT25vpqHhSkRhlmraKmYJU4YimjTiApNI8nSgBgwUplIYjoJqTPpKMEgjoAgSJBoQlPfI5a53VbmPpn03LnNvsCjAomt83Od9qbngahulu6ipnPcVZvGqykuoNjGj8XbU-PeoLXKxb2-SEtMf4HvFNqB2gXVe4Obfwng2fhyOqJI0atFwh3pYYLx0TdXu7v_-5RPITY_O</recordid><startdate>202002</startdate><enddate>202002</enddate><creator>Koen, Nicholas</creator><creator>Shapiro, Chandler</creator><creator>Kozin, Elliott D.</creator><creator>Cunnane, Mary E.</creator><creator>Remenschneider, Aaron K.</creator><creator>McKenna, Michael J.</creator><creator>Jung, David H.</creator><general>SAGE Publications</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>202002</creationdate><title>Location of Small Intracanalicular Vestibular Schwannomas Based on Magnetic Resonance Imaging</title><author>Koen, Nicholas ; Shapiro, Chandler ; Kozin, Elliott D. ; Cunnane, Mary E. ; Remenschneider, Aaron K. ; McKenna, Michael J. ; Jung, David H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3864-fd90864efb18c0eecd436eb473d5851a8ed76c3e609eb2861ad4a0ea7a7eca603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>acoustic neuroma management</topic><topic>radiologic localization</topic><topic>vestibular schwannoma</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Koen, Nicholas</creatorcontrib><creatorcontrib>Shapiro, Chandler</creatorcontrib><creatorcontrib>Kozin, Elliott D.</creatorcontrib><creatorcontrib>Cunnane, Mary E.</creatorcontrib><creatorcontrib>Remenschneider, Aaron K.</creatorcontrib><creatorcontrib>McKenna, Michael J.</creatorcontrib><creatorcontrib>Jung, David H.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Otolaryngology-head and neck surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Koen, Nicholas</au><au>Shapiro, Chandler</au><au>Kozin, Elliott D.</au><au>Cunnane, Mary E.</au><au>Remenschneider, Aaron K.</au><au>McKenna, Michael J.</au><au>Jung, David H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Location of Small Intracanalicular Vestibular Schwannomas Based on Magnetic Resonance Imaging</atitle><jtitle>Otolaryngology-head and neck surgery</jtitle><addtitle>Otolaryngol Head Neck Surg</addtitle><date>2020-02</date><risdate>2020</risdate><volume>162</volume><issue>2</issue><spage>211</spage><epage>214</epage><pages>211-214</pages><issn>0194-5998</issn><eissn>1097-6817</eissn><abstract>Vestibular schwannomas (VSs) were proposed to arise from the glial–Schwann cell junction within the internal auditory canal (IAC). However, otopathology studies indicate that VS may arise anywhere along the course of the vestibular nerve. Recent studies suggested that the majority of tumors are located centrally within the IAC with an equal distribution near the porus acusticus and the fundus. However, these studies analyzed tumors of all sizes, obscuring their precise origin. Herein, we aim to quantify the position of small intracanalicular tumors (<5 mm), assessing hearing outcomes and growth patterns in relation to tumor position. Of the 38 small intracanalicular tumors analyzed, 61% originated closest to the fundus, 34% at the midpoint, and only 5% closest to the porus acusticus. Tumors were observed with serial magnetic resonance imaging for 3.37 ± 2.65 years (mean ± SD) without intervention. Our findings indicate a lateral predominance of small VS within the IAC, an independence between tumor location and hearing outcomes, and further support the slow natural progression of VS.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>31842677</pmid><doi>10.1177/0194599819893106</doi><tpages>4</tpages></addata></record> |
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| source | SAGE Complete A-Z List; Wiley Online Library All Journals |
| subjects | acoustic neuroma management radiologic localization vestibular schwannoma |
| title | Location of Small Intracanalicular Vestibular Schwannomas Based on Magnetic Resonance Imaging |
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