Accuracy of magnetic resonance imaging for diagnosing hallux valgus

Detalhes bibliográficos
Autor(a) principal: Helito,Paulo Victor Partezani
Data de Publicação: 2020
Outros Autores: Rocha,Stephano Raydan Ramalho, Ortiz,Rafael Trevisan, Cerri,Giovanni Guido, Leite,Claudia da Costa, Rodrigues,Marcelo Bordalo
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Radiologia Brasileira (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-39842020000200081
Resumo: Abstract Objective: To assess the accuracy of magnetic resonance imaging (MRI) for the diagnosis of hallux valgus using radiography during weight bearing as the gold standard. Materials and Methods: This was a retrospective analysis of all patients undergoing MRI of the foot and radiography of the foot during weight bearing at our institution between January and June of 2015. The hallux valgus angle (HVA) was measured on MRI and radiography. The Wilcoxon signed-rank test and simple linear regression were used in order to compare measurements. Patients were divided into two groups according to the HVA determined on radiography: > 15° (hallux valgus) and ≤ 15° (control). Qualitative and quantitative assessments of MRI scans were performed. For quantitative assessment, receiver operating characteristic curves were used in order to determine the HVA cutoff with the highest accuracy. Results: A total of 66 MRI scans were included, 22 in the hallux valgus group and 44 in the control group. Wilcoxon signed-rank tests indicated a significant difference between the radiography and MRI measurements. Simple linear regression showed a nonlinear relationship between the measurements and values did not present a strong correlation. In comparison with the radiography measurements, MRI with an HVA cutoff of 16.4° exhibited the highest accuracy (86%). The accuracy of the subjective (qualitative) assessment was inferior to the objective assessment (measurement of the HVA). Conclusion: Hallux valgus can be diagnosed by measuring the HVA on MRI, satisfactory accuracy being achieved with an HVA cutoff of 16.4°.
id CBR-1_90cb371c4c572d11bd5e4250fa565bfa
oai_identifier_str oai:scielo:S0100-39842020000200081
network_acronym_str CBR-1
network_name_str Radiologia Brasileira (Online)
repository_id_str
spelling Accuracy of magnetic resonance imaging for diagnosing hallux valgusMagnetic resonance imagingFootHallux valgusForefoot, human/diagnostic imagingMetatarsophalangeal joint/ diagnostic imagingAbstract Objective: To assess the accuracy of magnetic resonance imaging (MRI) for the diagnosis of hallux valgus using radiography during weight bearing as the gold standard. Materials and Methods: This was a retrospective analysis of all patients undergoing MRI of the foot and radiography of the foot during weight bearing at our institution between January and June of 2015. The hallux valgus angle (HVA) was measured on MRI and radiography. The Wilcoxon signed-rank test and simple linear regression were used in order to compare measurements. Patients were divided into two groups according to the HVA determined on radiography: > 15° (hallux valgus) and ≤ 15° (control). Qualitative and quantitative assessments of MRI scans were performed. For quantitative assessment, receiver operating characteristic curves were used in order to determine the HVA cutoff with the highest accuracy. Results: A total of 66 MRI scans were included, 22 in the hallux valgus group and 44 in the control group. Wilcoxon signed-rank tests indicated a significant difference between the radiography and MRI measurements. Simple linear regression showed a nonlinear relationship between the measurements and values did not present a strong correlation. In comparison with the radiography measurements, MRI with an HVA cutoff of 16.4° exhibited the highest accuracy (86%). The accuracy of the subjective (qualitative) assessment was inferior to the objective assessment (measurement of the HVA). Conclusion: Hallux valgus can be diagnosed by measuring the HVA on MRI, satisfactory accuracy being achieved with an HVA cutoff of 16.4°.Publicação do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem2020-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-39842020000200081Radiologia Brasileira v.53 n.2 2020reponame:Radiologia Brasileira (Online)instname:Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)instacron:CBR10.1590/0100-3984.2019.0054info:eu-repo/semantics/openAccessHelito,Paulo Victor PartezaniRocha,Stephano Raydan RamalhoOrtiz,Rafael TrevisanCerri,Giovanni GuidoLeite,Claudia da CostaRodrigues,Marcelo Bordaloeng2020-04-07T00:00:00Zoai:scielo:S0100-39842020000200081Revistahttps://www.scielo.br/j/rb/https://old.scielo.br/oai/scielo-oai.phpradiologiabrasileira@cbr.org.br1678-70990100-3984opendoar:2020-04-07T00:00Radiologia Brasileira (Online) - Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)false
dc.title.none.fl_str_mv Accuracy of magnetic resonance imaging for diagnosing hallux valgus
title Accuracy of magnetic resonance imaging for diagnosing hallux valgus
spellingShingle Accuracy of magnetic resonance imaging for diagnosing hallux valgus
Helito,Paulo Victor Partezani
Magnetic resonance imaging
Foot
Hallux valgus
Forefoot, human/diagnostic imaging
Metatarsophalangeal joint/ diagnostic imaging
title_short Accuracy of magnetic resonance imaging for diagnosing hallux valgus
title_full Accuracy of magnetic resonance imaging for diagnosing hallux valgus
title_fullStr Accuracy of magnetic resonance imaging for diagnosing hallux valgus
title_full_unstemmed Accuracy of magnetic resonance imaging for diagnosing hallux valgus
title_sort Accuracy of magnetic resonance imaging for diagnosing hallux valgus
author Helito,Paulo Victor Partezani
author_facet Helito,Paulo Victor Partezani
Rocha,Stephano Raydan Ramalho
Ortiz,Rafael Trevisan
Cerri,Giovanni Guido
Leite,Claudia da Costa
Rodrigues,Marcelo Bordalo
author_role author
author2 Rocha,Stephano Raydan Ramalho
Ortiz,Rafael Trevisan
Cerri,Giovanni Guido
Leite,Claudia da Costa
Rodrigues,Marcelo Bordalo
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Helito,Paulo Victor Partezani
Rocha,Stephano Raydan Ramalho
Ortiz,Rafael Trevisan
Cerri,Giovanni Guido
Leite,Claudia da Costa
Rodrigues,Marcelo Bordalo
dc.subject.por.fl_str_mv Magnetic resonance imaging
Foot
Hallux valgus
Forefoot, human/diagnostic imaging
Metatarsophalangeal joint/ diagnostic imaging
topic Magnetic resonance imaging
Foot
Hallux valgus
Forefoot, human/diagnostic imaging
Metatarsophalangeal joint/ diagnostic imaging
description Abstract Objective: To assess the accuracy of magnetic resonance imaging (MRI) for the diagnosis of hallux valgus using radiography during weight bearing as the gold standard. Materials and Methods: This was a retrospective analysis of all patients undergoing MRI of the foot and radiography of the foot during weight bearing at our institution between January and June of 2015. The hallux valgus angle (HVA) was measured on MRI and radiography. The Wilcoxon signed-rank test and simple linear regression were used in order to compare measurements. Patients were divided into two groups according to the HVA determined on radiography: > 15° (hallux valgus) and ≤ 15° (control). Qualitative and quantitative assessments of MRI scans were performed. For quantitative assessment, receiver operating characteristic curves were used in order to determine the HVA cutoff with the highest accuracy. Results: A total of 66 MRI scans were included, 22 in the hallux valgus group and 44 in the control group. Wilcoxon signed-rank tests indicated a significant difference between the radiography and MRI measurements. Simple linear regression showed a nonlinear relationship between the measurements and values did not present a strong correlation. In comparison with the radiography measurements, MRI with an HVA cutoff of 16.4° exhibited the highest accuracy (86%). The accuracy of the subjective (qualitative) assessment was inferior to the objective assessment (measurement of the HVA). Conclusion: Hallux valgus can be diagnosed by measuring the HVA on MRI, satisfactory accuracy being achieved with an HVA cutoff of 16.4°.
publishDate 2020
dc.date.none.fl_str_mv 2020-04-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-39842020000200081
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-39842020000200081
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/0100-3984.2019.0054
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Publicação do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem
publisher.none.fl_str_mv Publicação do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem
dc.source.none.fl_str_mv Radiologia Brasileira v.53 n.2 2020
reponame:Radiologia Brasileira (Online)
instname:Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)
instacron:CBR
instname_str Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)
instacron_str CBR
institution CBR
reponame_str Radiologia Brasileira (Online)
collection Radiologia Brasileira (Online)
repository.name.fl_str_mv Radiologia Brasileira (Online) - Colégio Brasileiro de Radiologia e Diagnóstico por Imagem (CBR)
repository.mail.fl_str_mv radiologiabrasileira@cbr.org.br
_version_ 1754208940560744448