IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE?
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Acta Ortopédica Brasileira (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522021000400189 |
Resumo: | ABSTRACT Objective: By analyzing our cases of posterior cruciate ligament (PCL) tibial avulsion fracture, we noted that a U-shaped image was present in the anteroposterior plain radiographs view of the affected knee, even in cases where the profile view of the knee had been inconclusive as to tibial PCL avulsion fracture, a “hidden” fracture. Therefore, we aimed to investigate whether there was an anatomical correlation between this radiological U sign and the tibial insertion of the PCL and to ascertain the intra- and inter-rater reliability of this sign in clinical practice. Methods: The data of the widths and heights area of the PCL tibial insertion area, and the U sign area were measured and compared to the largest width of the tibia. Two moreover, the reliability and reproducibility of this imaging were analyzed. Results: The areas height of the U-sign area and the anatomical insertion area of the posterior cruciate ligament showed no difference, and both were topographically located in the two central quarters of the proximal end of the tibia. The radiographic assessment showed excellent Kappa agreement rates between interobserver and intraobserver, with high reliability and reproducibility. Conclusion: The U sign is a radiographic feature of PCL tibial avulsion fracture seen on the radiograph AP view, there is a high association between the ratios of the U-sign area height in the X-ray and the anatomical height of the PCL tibial insertion site MRI with the largest width of the proximal tibia. The radiographic U sign showed excellent rates of interobserver and intraobserver agreement with Kappa values higher than 0.8. Level of Evidence IV; Dignostic Studies - Investigating a Diagnostic Test. |
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Acta Ortopédica Brasileira (Online) |
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IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE?Posterior Cruciate LigamentFractures AvulsionKneeRadiographyDiagnosisABSTRACT Objective: By analyzing our cases of posterior cruciate ligament (PCL) tibial avulsion fracture, we noted that a U-shaped image was present in the anteroposterior plain radiographs view of the affected knee, even in cases where the profile view of the knee had been inconclusive as to tibial PCL avulsion fracture, a “hidden” fracture. Therefore, we aimed to investigate whether there was an anatomical correlation between this radiological U sign and the tibial insertion of the PCL and to ascertain the intra- and inter-rater reliability of this sign in clinical practice. Methods: The data of the widths and heights area of the PCL tibial insertion area, and the U sign area were measured and compared to the largest width of the tibia. Two moreover, the reliability and reproducibility of this imaging were analyzed. Results: The areas height of the U-sign area and the anatomical insertion area of the posterior cruciate ligament showed no difference, and both were topographically located in the two central quarters of the proximal end of the tibia. The radiographic assessment showed excellent Kappa agreement rates between interobserver and intraobserver, with high reliability and reproducibility. Conclusion: The U sign is a radiographic feature of PCL tibial avulsion fracture seen on the radiograph AP view, there is a high association between the ratios of the U-sign area height in the X-ray and the anatomical height of the PCL tibial insertion site MRI with the largest width of the proximal tibia. The radiographic U sign showed excellent rates of interobserver and intraobserver agreement with Kappa values higher than 0.8. Level of Evidence IV; Dignostic Studies - Investigating a Diagnostic Test.ATHA EDITORA2021-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522021000400189Acta Ortopédica Brasileira v.29 n.4 2021reponame:Acta Ortopédica Brasileira (Online)instname:Sociedade Brasileira de Ortopedia e Traumatologia (SBOT)instacron:SBOT10.1590/1413-785220212904240251info:eu-repo/semantics/openAccessPIEDADE,SERGIO ROCHAFERREIRA,DANIEL MIRANDAHUTCHINSON,MARKMAFFULLI,NICOLAMISCHAN,MARTHA MARIANEYRET,PHILIPPEeng2021-09-08T00:00:00Zoai:scielo:S1413-78522021000400189Revistahttp://www.actaortopedica.com.br/https://old.scielo.br/oai/scielo-oai.php1atha@uol.com.br||actaortopedicabrasileira@uol.com.br1809-44061413-7852opendoar:2021-09-08T00:00Acta Ortopédica Brasileira (Online) - Sociedade Brasileira de Ortopedia e Traumatologia (SBOT)false |
dc.title.none.fl_str_mv |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? |
title |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? |
spellingShingle |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? PIEDADE,SERGIO ROCHA Posterior Cruciate Ligament Fractures Avulsion Knee Radiography Diagnosis |
title_short |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? |
title_full |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? |
title_fullStr |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? |
title_full_unstemmed |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? |
title_sort |
IS THE “U-SIGN” RADIOLOGIC FEATURE OF A POSTERIOR CRUCIATE LIGAMENT TIBIAL AVULSION FRACTURE? |
author |
PIEDADE,SERGIO ROCHA |
author_facet |
PIEDADE,SERGIO ROCHA FERREIRA,DANIEL MIRANDA HUTCHINSON,MARK MAFFULLI,NICOLA MISCHAN,MARTHA MARIA NEYRET,PHILIPPE |
author_role |
author |
author2 |
FERREIRA,DANIEL MIRANDA HUTCHINSON,MARK MAFFULLI,NICOLA MISCHAN,MARTHA MARIA NEYRET,PHILIPPE |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
PIEDADE,SERGIO ROCHA FERREIRA,DANIEL MIRANDA HUTCHINSON,MARK MAFFULLI,NICOLA MISCHAN,MARTHA MARIA NEYRET,PHILIPPE |
dc.subject.por.fl_str_mv |
Posterior Cruciate Ligament Fractures Avulsion Knee Radiography Diagnosis |
topic |
Posterior Cruciate Ligament Fractures Avulsion Knee Radiography Diagnosis |
description |
ABSTRACT Objective: By analyzing our cases of posterior cruciate ligament (PCL) tibial avulsion fracture, we noted that a U-shaped image was present in the anteroposterior plain radiographs view of the affected knee, even in cases where the profile view of the knee had been inconclusive as to tibial PCL avulsion fracture, a “hidden” fracture. Therefore, we aimed to investigate whether there was an anatomical correlation between this radiological U sign and the tibial insertion of the PCL and to ascertain the intra- and inter-rater reliability of this sign in clinical practice. Methods: The data of the widths and heights area of the PCL tibial insertion area, and the U sign area were measured and compared to the largest width of the tibia. Two moreover, the reliability and reproducibility of this imaging were analyzed. Results: The areas height of the U-sign area and the anatomical insertion area of the posterior cruciate ligament showed no difference, and both were topographically located in the two central quarters of the proximal end of the tibia. The radiographic assessment showed excellent Kappa agreement rates between interobserver and intraobserver, with high reliability and reproducibility. Conclusion: The U sign is a radiographic feature of PCL tibial avulsion fracture seen on the radiograph AP view, there is a high association between the ratios of the U-sign area height in the X-ray and the anatomical height of the PCL tibial insertion site MRI with the largest width of the proximal tibia. The radiographic U sign showed excellent rates of interobserver and intraobserver agreement with Kappa values higher than 0.8. Level of Evidence IV; Dignostic Studies - Investigating a Diagnostic Test. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-08-01 |
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=S1413-78522021000400189 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522021000400189 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1413-785220212904240251 |
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 |
ATHA EDITORA |
publisher.none.fl_str_mv |
ATHA EDITORA |
dc.source.none.fl_str_mv |
Acta Ortopédica Brasileira v.29 n.4 2021 reponame:Acta Ortopédica Brasileira (Online) instname:Sociedade Brasileira de Ortopedia e Traumatologia (SBOT) instacron:SBOT |
instname_str |
Sociedade Brasileira de Ortopedia e Traumatologia (SBOT) |
instacron_str |
SBOT |
institution |
SBOT |
reponame_str |
Acta Ortopédica Brasileira (Online) |
collection |
Acta Ortopédica Brasileira (Online) |
repository.name.fl_str_mv |
Acta Ortopédica Brasileira (Online) - Sociedade Brasileira de Ortopedia e Traumatologia (SBOT) |
repository.mail.fl_str_mv |
1atha@uol.com.br||actaortopedicabrasileira@uol.com.br |
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1752122276921212928 |