Diagnostic accuracy of classical radiological measurements for basilar invagination of type B at MRI
Objective To evaluate the diagnostic accuracy of classical measurements for basilar invagination (BI) of type B at MRI. Methods This study used head MRIs from 31 participants with BI type B and 96 controls. The radiological criterion for BI was the odontoid process invagination using the obex as ref...
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| Veröffentlicht in: | European spine journal 2019-02, Vol.28 (2), p.345-352 |
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| creator | Nascimento, José J. C. Neto, Eulâmpio J. S. Mello-Junior, Carlos F. Valença, Marcelo M. Araújo-Neto, Severino A. Diniz, Paula R. B. |
| description | Objective
To evaluate the diagnostic accuracy of classical measurements for basilar invagination (BI) of type B at MRI.
Methods
This study used head MRIs from 31 participants with BI type B and 96 controls. The radiological criterion for BI was the odontoid process invagination using the obex as reference. It based on the independent prospective reading of two neuroradiologists. Concordance between the two neuroradiologists was analysed through the KAPPA index, and the discrepancy was resolved in a consensus meeting. A third examiner measured in two occasions (double blind) the distance of the odontoid apex to Chamberlain’s line (DOCL) and McGregor’s line (DOMG), clivus canal angle (CCA), Welcker’s basal angle (WBA), and Boogaard’s angle (BOA). Intra-examiner reproducibility of the measurements was evaluated with the intraclass correlation coefficient and the diagnostic accuracy by ROC curve. All analyses were at 95% confidence interval.
Results
Agreement between the two neuroradiologists was statistically relevant (KAPPA = .91;
P
= .0001). The intra-examiner reproducibilities were .98 (DOCL), .97 (DOMG), .96 (CCA), .94 (WBA), and .95 (BOA) (
P |
| doi_str_mv | 10.1007/s00586-018-5841-4 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2141044283</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2141044283</sourcerecordid><originalsourceid>FETCH-LOGICAL-c415t-4636febe6b678c19c73ea50480e112fccf46006ccfd2290f3073523611fb15b93</originalsourceid><addsrcrecordid>eNp1kU1r3DAQhkVpaLZpf0AvRdBLL05m9GXrmKQfCSQEQnsWslZaFGxrI9mF_ffRdtMGCj0NwzzvO8O8hHxAOEWA9qwAyE41gF0jO4GNeEVWKDhrQHP2mqxAC2hUi_qYvC3lAQClBvWGHHMQutMKVmT9JdrNlMocHbXOLdm6HU2BusGWEp0daLbrmIa0-d2M3pYl-9FPc6EhZdrbEgebaZx-2U2c7BzTtNfPu62nF9TO9Pb--h05CnYo_v1zPSE_v339cXnV3Nx9v748v2mcQDk3QnEVfO9Vr9rOoXYt91aC6MAjsuBcEApA1bpmTEPg0HLJuEIMPcpe8xPy-eC7zelx8WU2YyzOD4OdfFqKYSgQhGAdr-inf9CHtOSpXlcprrnqpJCVwgPlciol-2C2OY427wyC2UdgDhGYGoHZR2BE1Xx8dl760a__Kv78vALsAJQ6mjY-v6z-v-sTYnuQig</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2139368545</pqid></control><display><type>article</type><title>Diagnostic accuracy of classical radiological measurements for basilar invagination of type B at MRI</title><source>MEDLINE</source><source>SpringerLink Journals (MCLS)</source><creator>Nascimento, José J. C. ; Neto, Eulâmpio J. S. ; Mello-Junior, Carlos F. ; Valença, Marcelo M. ; Araújo-Neto, Severino A. ; Diniz, Paula R. B.</creator><creatorcontrib>Nascimento, José J. C. ; Neto, Eulâmpio J. S. ; Mello-Junior, Carlos F. ; Valença, Marcelo M. ; Araújo-Neto, Severino A. ; Diniz, Paula R. B.</creatorcontrib><description>Objective
To evaluate the diagnostic accuracy of classical measurements for basilar invagination (BI) of type B at MRI.
Methods
This study used head MRIs from 31 participants with BI type B and 96 controls. The radiological criterion for BI was the odontoid process invagination using the obex as reference. It based on the independent prospective reading of two neuroradiologists. Concordance between the two neuroradiologists was analysed through the KAPPA index, and the discrepancy was resolved in a consensus meeting. A third examiner measured in two occasions (double blind) the distance of the odontoid apex to Chamberlain’s line (DOCL) and McGregor’s line (DOMG), clivus canal angle (CCA), Welcker’s basal angle (WBA), and Boogaard’s angle (BOA). Intra-examiner reproducibility of the measurements was evaluated with the intraclass correlation coefficient and the diagnostic accuracy by ROC curve. All analyses were at 95% confidence interval.
Results
Agreement between the two neuroradiologists was statistically relevant (KAPPA = .91;
P
= .0001). The intra-examiner reproducibilities were .98 (DOCL), .97 (DOMG), .96 (CCA), .94 (WBA), and .95 (BOA) (
P
< .05). The areas under the ROC curve were .963 (DOCL), .940 (DOMG), .880 (CCA), .867 (WBA), and .951 (BOA) (
P
< .05). The cut-off criteria were ≥ 7 mm (DOCL), ≥ 8 mm (DOMG), ≤ 145° (CCA), ≥ 142° (WBA), and ≥ 136° (BOA). The diagnostic accuracies were .904 (DOCL), .870 (DOMG), .844 (CCA), .810 (WBA), and .899 (BOA).
Conclusion
The DOCL and BOA presented the highest diagnostic accuracy for BI type B.
Graphical abstract
These slides can be retrieved under Electronic Supplementary Material.</description><identifier>ISSN: 0940-6719</identifier><identifier>EISSN: 1432-0932</identifier><identifier>DOI: 10.1007/s00586-018-5841-4</identifier><identifier>PMID: 30498960</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Accuracy ; Humans ; Magnetic resonance imaging ; Magnetic Resonance Imaging - methods ; Magnetic Resonance Imaging - standards ; Medicine ; Medicine & Public Health ; Neurosurgery ; Observer Variation ; Odontoid Process - diagnostic imaging ; Original Article ; Platybasia - diagnostic imaging ; Radiography ; Reproducibility of Results ; Skull ; Spine (cervical) ; Surgical Orthopedics</subject><ispartof>European spine journal, 2019-02, Vol.28 (2), p.345-352</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>European Spine Journal is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-4636febe6b678c19c73ea50480e112fccf46006ccfd2290f3073523611fb15b93</citedby><cites>FETCH-LOGICAL-c415t-4636febe6b678c19c73ea50480e112fccf46006ccfd2290f3073523611fb15b93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00586-018-5841-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00586-018-5841-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27915,27916,41479,42548,51310</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30498960$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nascimento, José J. C.</creatorcontrib><creatorcontrib>Neto, Eulâmpio J. S.</creatorcontrib><creatorcontrib>Mello-Junior, Carlos F.</creatorcontrib><creatorcontrib>Valença, Marcelo M.</creatorcontrib><creatorcontrib>Araújo-Neto, Severino A.</creatorcontrib><creatorcontrib>Diniz, Paula R. B.</creatorcontrib><title>Diagnostic accuracy of classical radiological measurements for basilar invagination of type B at MRI</title><title>European spine journal</title><addtitle>Eur Spine J</addtitle><addtitle>Eur Spine J</addtitle><description>Objective
To evaluate the diagnostic accuracy of classical measurements for basilar invagination (BI) of type B at MRI.
Methods
This study used head MRIs from 31 participants with BI type B and 96 controls. The radiological criterion for BI was the odontoid process invagination using the obex as reference. It based on the independent prospective reading of two neuroradiologists. Concordance between the two neuroradiologists was analysed through the KAPPA index, and the discrepancy was resolved in a consensus meeting. A third examiner measured in two occasions (double blind) the distance of the odontoid apex to Chamberlain’s line (DOCL) and McGregor’s line (DOMG), clivus canal angle (CCA), Welcker’s basal angle (WBA), and Boogaard’s angle (BOA). Intra-examiner reproducibility of the measurements was evaluated with the intraclass correlation coefficient and the diagnostic accuracy by ROC curve. All analyses were at 95% confidence interval.
Results
Agreement between the two neuroradiologists was statistically relevant (KAPPA = .91;
P
= .0001). The intra-examiner reproducibilities were .98 (DOCL), .97 (DOMG), .96 (CCA), .94 (WBA), and .95 (BOA) (
P
< .05). The areas under the ROC curve were .963 (DOCL), .940 (DOMG), .880 (CCA), .867 (WBA), and .951 (BOA) (
P
< .05). The cut-off criteria were ≥ 7 mm (DOCL), ≥ 8 mm (DOMG), ≤ 145° (CCA), ≥ 142° (WBA), and ≥ 136° (BOA). The diagnostic accuracies were .904 (DOCL), .870 (DOMG), .844 (CCA), .810 (WBA), and .899 (BOA).
Conclusion
The DOCL and BOA presented the highest diagnostic accuracy for BI type B.
Graphical abstract
These slides can be retrieved under Electronic Supplementary Material.</description><subject>Accuracy</subject><subject>Humans</subject><subject>Magnetic resonance imaging</subject><subject>Magnetic Resonance Imaging - methods</subject><subject>Magnetic Resonance Imaging - standards</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Neurosurgery</subject><subject>Observer Variation</subject><subject>Odontoid Process - diagnostic imaging</subject><subject>Original Article</subject><subject>Platybasia - diagnostic imaging</subject><subject>Radiography</subject><subject>Reproducibility of Results</subject><subject>Skull</subject><subject>Spine (cervical)</subject><subject>Surgical Orthopedics</subject><issn>0940-6719</issn><issn>1432-0932</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><recordid>eNp1kU1r3DAQhkVpaLZpf0AvRdBLL05m9GXrmKQfCSQEQnsWslZaFGxrI9mF_ffRdtMGCj0NwzzvO8O8hHxAOEWA9qwAyE41gF0jO4GNeEVWKDhrQHP2mqxAC2hUi_qYvC3lAQClBvWGHHMQutMKVmT9JdrNlMocHbXOLdm6HU2BusGWEp0daLbrmIa0-d2M3pYl-9FPc6EhZdrbEgebaZx-2U2c7BzTtNfPu62nF9TO9Pb--h05CnYo_v1zPSE_v339cXnV3Nx9v748v2mcQDk3QnEVfO9Vr9rOoXYt91aC6MAjsuBcEApA1bpmTEPg0HLJuEIMPcpe8xPy-eC7zelx8WU2YyzOD4OdfFqKYSgQhGAdr-inf9CHtOSpXlcprrnqpJCVwgPlciol-2C2OY427wyC2UdgDhGYGoHZR2BE1Xx8dl760a__Kv78vALsAJQ6mjY-v6z-v-sTYnuQig</recordid><startdate>20190201</startdate><enddate>20190201</enddate><creator>Nascimento, José J. C.</creator><creator>Neto, Eulâmpio J. S.</creator><creator>Mello-Junior, Carlos F.</creator><creator>Valença, Marcelo M.</creator><creator>Araújo-Neto, Severino A.</creator><creator>Diniz, Paula R. B.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</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>3V.</scope><scope>7QP</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20190201</creationdate><title>Diagnostic accuracy of classical radiological measurements for basilar invagination of type B at MRI</title><author>Nascimento, José J. C. ; Neto, Eulâmpio J. S. ; Mello-Junior, Carlos F. ; Valença, Marcelo M. ; Araújo-Neto, Severino A. ; Diniz, Paula R. B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-4636febe6b678c19c73ea50480e112fccf46006ccfd2290f3073523611fb15b93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Accuracy</topic><topic>Humans</topic><topic>Magnetic resonance imaging</topic><topic>Magnetic Resonance Imaging - methods</topic><topic>Magnetic Resonance Imaging - standards</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Neurosurgery</topic><topic>Observer Variation</topic><topic>Odontoid Process - diagnostic imaging</topic><topic>Original Article</topic><topic>Platybasia - diagnostic imaging</topic><topic>Radiography</topic><topic>Reproducibility of Results</topic><topic>Skull</topic><topic>Spine (cervical)</topic><topic>Surgical Orthopedics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nascimento, José J. C.</creatorcontrib><creatorcontrib>Neto, Eulâmpio J. S.</creatorcontrib><creatorcontrib>Mello-Junior, Carlos F.</creatorcontrib><creatorcontrib>Valença, Marcelo M.</creatorcontrib><creatorcontrib>Araújo-Neto, Severino A.</creatorcontrib><creatorcontrib>Diniz, Paula R. B.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>ProQuest Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>PML(ProQuest Medical Library)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>European spine journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nascimento, José J. C.</au><au>Neto, Eulâmpio J. S.</au><au>Mello-Junior, Carlos F.</au><au>Valença, Marcelo M.</au><au>Araújo-Neto, Severino A.</au><au>Diniz, Paula R. B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diagnostic accuracy of classical radiological measurements for basilar invagination of type B at MRI</atitle><jtitle>European spine journal</jtitle><stitle>Eur Spine J</stitle><addtitle>Eur Spine J</addtitle><date>2019-02-01</date><risdate>2019</risdate><volume>28</volume><issue>2</issue><spage>345</spage><epage>352</epage><pages>345-352</pages><issn>0940-6719</issn><eissn>1432-0932</eissn><abstract>Objective
To evaluate the diagnostic accuracy of classical measurements for basilar invagination (BI) of type B at MRI.
Methods
This study used head MRIs from 31 participants with BI type B and 96 controls. The radiological criterion for BI was the odontoid process invagination using the obex as reference. It based on the independent prospective reading of two neuroradiologists. Concordance between the two neuroradiologists was analysed through the KAPPA index, and the discrepancy was resolved in a consensus meeting. A third examiner measured in two occasions (double blind) the distance of the odontoid apex to Chamberlain’s line (DOCL) and McGregor’s line (DOMG), clivus canal angle (CCA), Welcker’s basal angle (WBA), and Boogaard’s angle (BOA). Intra-examiner reproducibility of the measurements was evaluated with the intraclass correlation coefficient and the diagnostic accuracy by ROC curve. All analyses were at 95% confidence interval.
Results
Agreement between the two neuroradiologists was statistically relevant (KAPPA = .91;
P
= .0001). The intra-examiner reproducibilities were .98 (DOCL), .97 (DOMG), .96 (CCA), .94 (WBA), and .95 (BOA) (
P
< .05). The areas under the ROC curve were .963 (DOCL), .940 (DOMG), .880 (CCA), .867 (WBA), and .951 (BOA) (
P
< .05). The cut-off criteria were ≥ 7 mm (DOCL), ≥ 8 mm (DOMG), ≤ 145° (CCA), ≥ 142° (WBA), and ≥ 136° (BOA). The diagnostic accuracies were .904 (DOCL), .870 (DOMG), .844 (CCA), .810 (WBA), and .899 (BOA).
Conclusion
The DOCL and BOA presented the highest diagnostic accuracy for BI type B.
Graphical abstract
These slides can be retrieved under Electronic Supplementary Material.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>30498960</pmid><doi>10.1007/s00586-018-5841-4</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | MEDLINE; SpringerLink Journals (MCLS) |
| subjects | Accuracy Humans Magnetic resonance imaging Magnetic Resonance Imaging - methods Magnetic Resonance Imaging - standards Medicine Medicine & Public Health Neurosurgery Observer Variation Odontoid Process - diagnostic imaging Original Article Platybasia - diagnostic imaging Radiography Reproducibility of Results Skull Spine (cervical) Surgical Orthopedics |
| title | Diagnostic accuracy of classical radiological measurements for basilar invagination of type B at MRI |
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