Establishing Normal Diameter Range of the Cochlear and Facial Nerves with 3D-CISS at 3T
Purpose: We explored normal diameter values of the cochlear (CN) and facial (FN) nerves on 3-dimensional constructive interference in steady state (3D-CISS) using a 3-tesla magnetic resonance (MR) imaging scanner. Methods: A total of 142 patients underwent MR imaging of the inner ear at 3T. We retro...
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| Veröffentlicht in: | Magnetic Resonance in Medical Sciences 2013, Vol.12(4), pp.241-247 |
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| creator | NAKAMICHI, Rei YAMAZAKI, Masahiro IKEDA, Mitsuru ISODA, Haruo KAWAI, Hisashi SONE, Michihiko NAKASHIMA, Tsutomu NAGANAWA, Shinji |
| description | Purpose: We explored normal diameter values of the cochlear (CN) and facial (FN) nerves on 3-dimensional constructive interference in steady state (3D-CISS) using a 3-tesla magnetic resonance (MR) imaging scanner. Methods: A total of 142 patients underwent MR imaging of the inner ear at 3T. We retrospectively analyzed data from 172 ears. All ears had normal hearing and no history of ipsilateral facial palsy. Parasagittal images of 0.5-mm thickness perpendicular to the internal auditory canal were reconstructed from 0.4-mm thick axial 3D-CISS images for all ears. Two independent radiologists measured the long diameter (LD), short diameter (SD), and cross-sectional area (CSA) of each CN and FN. For each measurement, we calculated the mean value from the 2 observers and evaluated interobserver agreement. We also evaluated the correlation between nerve diameter and sex and age. Results: Both observers could perform measurements in 157 CN from 172 ears (91%) and 165 FN from 172 ears (96%). For the CN, the mean LD was 1.35±0.16 mm, the mean SD was 0.99±0.18 mm, and the mean CSA was 1.07±0.30 mm2; for the FN, the mean values were 1.18±0.17 mm (LD), 0.87±0.16 mm (SD), and 0.83±0.27 mm2 (CSA). Interobserver reliability was good for each measurement (r=0.569 to 0.691, P |
| doi_str_mv | 10.2463/mrms.2013-0004 |
| format | Article |
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Methods: A total of 142 patients underwent MR imaging of the inner ear at 3T. We retrospectively analyzed data from 172 ears. All ears had normal hearing and no history of ipsilateral facial palsy. Parasagittal images of 0.5-mm thickness perpendicular to the internal auditory canal were reconstructed from 0.4-mm thick axial 3D-CISS images for all ears. Two independent radiologists measured the long diameter (LD), short diameter (SD), and cross-sectional area (CSA) of each CN and FN. For each measurement, we calculated the mean value from the 2 observers and evaluated interobserver agreement. We also evaluated the correlation between nerve diameter and sex and age. Results: Both observers could perform measurements in 157 CN from 172 ears (91%) and 165 FN from 172 ears (96%). For the CN, the mean LD was 1.35±0.16 mm, the mean SD was 0.99±0.18 mm, and the mean CSA was 1.07±0.30 mm2; for the FN, the mean values were 1.18±0.17 mm (LD), 0.87±0.16 mm (SD), and 0.83±0.27 mm2 (CSA). Interobserver reliability was good for each measurement (r=0.569 to 0.691, P<0.01). The diameters of the 2 nerves tended to be larger in men, but only the CSA of the FN was significantly larger in men (P<0.05). Age did not affect nerve diameter. Conclusion: We present normal values of CN and FN diameters on 3D-CISS at 3T. Our results warrant further study to clarify the pathophysiological state of the CN or FN using 3D-CISS.</description><identifier>ISSN: 1347-3182</identifier><identifier>EISSN: 1880-2206</identifier><identifier>DOI: 10.2463/mrms.2013-0004</identifier><identifier>PMID: 24172790</identifier><language>eng</language><publisher>Japan: Japanese Society for Magnetic Resonance in Medicine</publisher><subject>3-dimensional constructive interference in steady state (3D-CISS) ; Adolescent ; Adult ; Aged ; Aging - pathology ; Child ; cochlear nerve ; Cochlear Nerve - anatomy & histology ; facial nerve ; Facial Nerve - anatomy & histology ; Female ; Humans ; Imaging, Three-Dimensional - methods ; Imaging, Three-Dimensional - statistics & numerical data ; magnetic resonance imaging ; Magnetic Resonance Imaging - methods ; Magnetic Resonance Imaging - statistics & numerical data ; Male ; Middle Aged ; normal values ; Observer Variation ; Reference Values ; Reproducibility of Results ; Sensitivity and Specificity ; Young Adult</subject><ispartof>Magnetic Resonance in Medical Sciences, 2013, Vol.12(4), pp.241-247</ispartof><rights>2013 by Japanese Society for Magnetic Resonance in Medicine</rights><rights>Copyright Japan Science and Technology Agency 2013</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c514t-c83559740f61fb4f9b96c5ba95ca108a273c7cf5b92ac6425bfeccdabe92ccf43</citedby><cites>FETCH-LOGICAL-c514t-c83559740f61fb4f9b96c5ba95ca108a273c7cf5b92ac6425bfeccdabe92ccf43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24172790$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>NAKAMICHI, Rei</creatorcontrib><creatorcontrib>YAMAZAKI, Masahiro</creatorcontrib><creatorcontrib>IKEDA, Mitsuru</creatorcontrib><creatorcontrib>ISODA, Haruo</creatorcontrib><creatorcontrib>KAWAI, Hisashi</creatorcontrib><creatorcontrib>SONE, Michihiko</creatorcontrib><creatorcontrib>NAKASHIMA, Tsutomu</creatorcontrib><creatorcontrib>NAGANAWA, Shinji</creatorcontrib><title>Establishing Normal Diameter Range of the Cochlear and Facial Nerves with 3D-CISS at 3T</title><title>Magnetic Resonance in Medical Sciences</title><addtitle>MRMS</addtitle><description>Purpose: We explored normal diameter values of the cochlear (CN) and facial (FN) nerves on 3-dimensional constructive interference in steady state (3D-CISS) using a 3-tesla magnetic resonance (MR) imaging scanner. Methods: A total of 142 patients underwent MR imaging of the inner ear at 3T. We retrospectively analyzed data from 172 ears. All ears had normal hearing and no history of ipsilateral facial palsy. Parasagittal images of 0.5-mm thickness perpendicular to the internal auditory canal were reconstructed from 0.4-mm thick axial 3D-CISS images for all ears. Two independent radiologists measured the long diameter (LD), short diameter (SD), and cross-sectional area (CSA) of each CN and FN. For each measurement, we calculated the mean value from the 2 observers and evaluated interobserver agreement. We also evaluated the correlation between nerve diameter and sex and age. Results: Both observers could perform measurements in 157 CN from 172 ears (91%) and 165 FN from 172 ears (96%). For the CN, the mean LD was 1.35±0.16 mm, the mean SD was 0.99±0.18 mm, and the mean CSA was 1.07±0.30 mm2; for the FN, the mean values were 1.18±0.17 mm (LD), 0.87±0.16 mm (SD), and 0.83±0.27 mm2 (CSA). Interobserver reliability was good for each measurement (r=0.569 to 0.691, P<0.01). The diameters of the 2 nerves tended to be larger in men, but only the CSA of the FN was significantly larger in men (P<0.05). Age did not affect nerve diameter. Conclusion: We present normal values of CN and FN diameters on 3D-CISS at 3T. Our results warrant further study to clarify the pathophysiological state of the CN or FN using 3D-CISS.</description><subject>3-dimensional constructive interference in steady state (3D-CISS)</subject><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Aging - pathology</subject><subject>Child</subject><subject>cochlear nerve</subject><subject>Cochlear Nerve - anatomy & histology</subject><subject>facial nerve</subject><subject>Facial Nerve - anatomy & histology</subject><subject>Female</subject><subject>Humans</subject><subject>Imaging, Three-Dimensional - methods</subject><subject>Imaging, Three-Dimensional - statistics & numerical data</subject><subject>magnetic resonance imaging</subject><subject>Magnetic Resonance Imaging - methods</subject><subject>Magnetic Resonance Imaging - statistics & numerical data</subject><subject>Male</subject><subject>Middle Aged</subject><subject>normal values</subject><subject>Observer Variation</subject><subject>Reference Values</subject><subject>Reproducibility of Results</subject><subject>Sensitivity and Specificity</subject><subject>Young Adult</subject><issn>1347-3182</issn><issn>1880-2206</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkE1P3DAQQK2KqlDotcfKEhcu2forcXJEu0CREJUKqEdrMjveZJUPsLNU_fc4WrqHXmxL8_w0eox9lWKhTKG_96GPCyWkzoQQ5gM7kWUpMqVEcZTe2thMy1Ids88xboXQZRp_YsfKSKtsJU7Y76s4Qd21sWmHDb8fQw8dX7XQ00SB_4JhQ3z0fGqIL0dsOoLAYVjza8A2kfcUXinyP-3UcL3KlrcPDxwmrh_P2EcPXaQv7_cpe7q-elz-yO5-3twuL-8yzKWZMix1nlfWCF9IXxtf1VWBeQ1VjiBFCcpqtOjzulKAhVF57QlxDTVVCtEbfcou9t7nML7sKE6ubyNS18FA4y46aSphjdVlntDz_9DtuAtD2i5RtkwNRTELF3sKwxhjIO-eQ9tD-OukcHNyNyd3c3I3J08fvr1rd3VP6wP-r3ECVntgm1Jv6ABAmFrsaO-Typn5OHgPY2wgOBr0G8pTkzc</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>NAKAMICHI, Rei</creator><creator>YAMAZAKI, Masahiro</creator><creator>IKEDA, Mitsuru</creator><creator>ISODA, Haruo</creator><creator>KAWAI, Hisashi</creator><creator>SONE, Michihiko</creator><creator>NAKASHIMA, Tsutomu</creator><creator>NAGANAWA, Shinji</creator><general>Japanese Society for Magnetic Resonance in Medicine</general><general>Japan Science and Technology Agency</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>7QO</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20130101</creationdate><title>Establishing Normal Diameter Range of the Cochlear and Facial Nerves with 3D-CISS at 3T</title><author>NAKAMICHI, Rei ; YAMAZAKI, Masahiro ; IKEDA, Mitsuru ; ISODA, Haruo ; KAWAI, Hisashi ; SONE, Michihiko ; NAKASHIMA, Tsutomu ; NAGANAWA, Shinji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c514t-c83559740f61fb4f9b96c5ba95ca108a273c7cf5b92ac6425bfeccdabe92ccf43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>3-dimensional constructive interference in steady state (3D-CISS)</topic><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Aging - pathology</topic><topic>Child</topic><topic>cochlear nerve</topic><topic>Cochlear Nerve - anatomy & histology</topic><topic>facial nerve</topic><topic>Facial Nerve - anatomy & histology</topic><topic>Female</topic><topic>Humans</topic><topic>Imaging, Three-Dimensional - methods</topic><topic>Imaging, Three-Dimensional - statistics & numerical data</topic><topic>magnetic resonance imaging</topic><topic>Magnetic Resonance Imaging - methods</topic><topic>Magnetic Resonance Imaging - statistics & numerical data</topic><topic>Male</topic><topic>Middle Aged</topic><topic>normal values</topic><topic>Observer Variation</topic><topic>Reference Values</topic><topic>Reproducibility of Results</topic><topic>Sensitivity and Specificity</topic><topic>Young Adult</topic><toplevel>online_resources</toplevel><creatorcontrib>NAKAMICHI, Rei</creatorcontrib><creatorcontrib>YAMAZAKI, Masahiro</creatorcontrib><creatorcontrib>IKEDA, Mitsuru</creatorcontrib><creatorcontrib>ISODA, Haruo</creatorcontrib><creatorcontrib>KAWAI, Hisashi</creatorcontrib><creatorcontrib>SONE, Michihiko</creatorcontrib><creatorcontrib>NAKASHIMA, Tsutomu</creatorcontrib><creatorcontrib>NAGANAWA, Shinji</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Magnetic Resonance in Medical Sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>NAKAMICHI, Rei</au><au>YAMAZAKI, Masahiro</au><au>IKEDA, Mitsuru</au><au>ISODA, Haruo</au><au>KAWAI, Hisashi</au><au>SONE, Michihiko</au><au>NAKASHIMA, Tsutomu</au><au>NAGANAWA, Shinji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Establishing Normal Diameter Range of the Cochlear and Facial Nerves with 3D-CISS at 3T</atitle><jtitle>Magnetic Resonance in Medical Sciences</jtitle><addtitle>MRMS</addtitle><date>2013-01-01</date><risdate>2013</risdate><volume>12</volume><issue>4</issue><spage>241</spage><epage>247</epage><pages>241-247</pages><issn>1347-3182</issn><eissn>1880-2206</eissn><abstract>Purpose: We explored normal diameter values of the cochlear (CN) and facial (FN) nerves on 3-dimensional constructive interference in steady state (3D-CISS) using a 3-tesla magnetic resonance (MR) imaging scanner. Methods: A total of 142 patients underwent MR imaging of the inner ear at 3T. We retrospectively analyzed data from 172 ears. All ears had normal hearing and no history of ipsilateral facial palsy. Parasagittal images of 0.5-mm thickness perpendicular to the internal auditory canal were reconstructed from 0.4-mm thick axial 3D-CISS images for all ears. Two independent radiologists measured the long diameter (LD), short diameter (SD), and cross-sectional area (CSA) of each CN and FN. For each measurement, we calculated the mean value from the 2 observers and evaluated interobserver agreement. We also evaluated the correlation between nerve diameter and sex and age. Results: Both observers could perform measurements in 157 CN from 172 ears (91%) and 165 FN from 172 ears (96%). For the CN, the mean LD was 1.35±0.16 mm, the mean SD was 0.99±0.18 mm, and the mean CSA was 1.07±0.30 mm2; for the FN, the mean values were 1.18±0.17 mm (LD), 0.87±0.16 mm (SD), and 0.83±0.27 mm2 (CSA). Interobserver reliability was good for each measurement (r=0.569 to 0.691, P<0.01). The diameters of the 2 nerves tended to be larger in men, but only the CSA of the FN was significantly larger in men (P<0.05). Age did not affect nerve diameter. Conclusion: We present normal values of CN and FN diameters on 3D-CISS at 3T. Our results warrant further study to clarify the pathophysiological state of the CN or FN using 3D-CISS.</abstract><cop>Japan</cop><pub>Japanese Society for Magnetic Resonance in Medicine</pub><pmid>24172790</pmid><doi>10.2463/mrms.2013-0004</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 3-dimensional constructive interference in steady state (3D-CISS) Adolescent Adult Aged Aging - pathology Child cochlear nerve Cochlear Nerve - anatomy & histology facial nerve Facial Nerve - anatomy & histology Female Humans Imaging, Three-Dimensional - methods Imaging, Three-Dimensional - statistics & numerical data magnetic resonance imaging Magnetic Resonance Imaging - methods Magnetic Resonance Imaging - statistics & numerical data Male Middle Aged normal values Observer Variation Reference Values Reproducibility of Results Sensitivity and Specificity Young Adult |
| title | Establishing Normal Diameter Range of the Cochlear and Facial Nerves with 3D-CISS at 3T |
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