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MRI demonstrates the extension of juxta-articular venous malformation of the knee and correlates with joint changes.

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Title: MRI demonstrates the extension of juxta-articular venous malformation of the knee and correlates with joint changes.
Authors: Jans L (AUTHOR), Ditchfield M (AUTHOR), Jaremko JL (AUTHOR), Stephens N (AUTHOR), Verstraete K (AUTHOR), Jans, L1 (AUTHOR), Ditchfield, M (AUTHOR), Jaremko, J L (AUTHOR), Stephens, N (AUTHOR), Verstraete, K (AUTHOR)
Source: European Radiology. Jul2010, Vol. 20 Issue 7, p1792-1798. 7p.
Abstract: Objective: Juxta-articular venous malformations (VMs) are uncommon, but may cause early arthropathy of the knee in children and adolescents. We sought to describe the prevalence, extent and initial magnetic resonance imaging (MRI) features of knee arthropathy in children with VM adjacent to the knee joint.Methods: Thirty-five patients with VM adjacent to the knee who had MRI performed between 2000 and 2009 were identified through a keyword search of the radiology information system.Results: VM extended to the joint in 17 of the 35 patients (5.4-21.5 years, mean 11.8 years). Most of these 17 patients had joint changes (15/17, 88%), most commonly haemosiderin deposition (14/17, 82%). Other findings included the presence of subchondral bone lesions (eight, 47%), cartilage loss (six, 35%), synovial thickening (six, 35%), marrow oedema (six, 35%), joint effusion (five, 29%), subchondral cysts (five, 29%) and one loose body (6%). VM location and size did not correlate with the degree of articular involvement. Joint changes were present in focal as well as non-discrete VM.Conclusion: We found that the frequency of arthropathy increased with extension of VM into the joint itself. This finding stresses the importance of early MRI evaluation of all juxta-articular VM. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: MRI demonstrates the extension of juxta-articular venous malformation of the knee and correlates with joint changes.
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  Data: <searchLink fieldCode="AR" term="%22Jans+L%22">Jans L</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ditchfield+M%22">Ditchfield M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jaremko+JL%22">Jaremko JL</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Stephens+N%22">Stephens N</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Verstraete+K%22">Verstraete K</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jans%2C+L%22">Jans, L</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ditchfield%2C+M%22">Ditchfield, M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jaremko%2C+J+L%22">Jaremko, J L</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Stephens%2C+N%22">Stephens, N</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Verstraete%2C+K%22">Verstraete, K</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Jul2010, Vol. 20 Issue 7, p1792-1798. 7p.
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  Data: <bold>Objective: </bold>Juxta-articular venous malformations (VMs) are uncommon, but may cause early arthropathy of the knee in children and adolescents. We sought to describe the prevalence, extent and initial magnetic resonance imaging (MRI) features of knee arthropathy in children with VM adjacent to the knee joint.<bold>Methods: </bold>Thirty-five patients with VM adjacent to the knee who had MRI performed between 2000 and 2009 were identified through a keyword search of the radiology information system.<bold>Results: </bold>VM extended to the joint in 17 of the 35 patients (5.4-21.5 years, mean 11.8 years). Most of these 17 patients had joint changes (15/17, 88%), most commonly haemosiderin deposition (14/17, 82%). Other findings included the presence of subchondral bone lesions (eight, 47%), cartilage loss (six, 35%), synovial thickening (six, 35%), marrow oedema (six, 35%), joint effusion (five, 29%), subchondral cysts (five, 29%) and one loose body (6%). VM location and size did not correlate with the degree of articular involvement. Joint changes were present in focal as well as non-discrete VM.<bold>Conclusion: </bold>We found that the frequency of arthropathy increased with extension of VM into the joint itself. This finding stresses the importance of early MRI evaluation of all juxta-articular VM. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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