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

Lennart Jans (UGent) , M Ditchfield, JL Jaremko, N Stephens and Koenraad Verstraete (UGent)
(2010) EUROPEAN RADIOLOGY. 20(7). p.1792-1798
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Organization
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.
Keywords
Arthropathy, MRI, Knee, Venous malformation, Extension, VASCULAR MALFORMATIONS, HEMOPHILIC ARTHROPATHY, CLASSIFICATION, CHILDREN, EXTREMITIES, MANAGEMENT, DIAGNOSIS

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Chicago
Jans, Lennart, M Ditchfield, JL Jaremko, N Stephens, and Koenraad Verstraete. 2010. “MRI Demonstrates the Extension of Juxta-articular Venous Malformation of the Knee and Correlates with Joint Changes.” European Radiology 20 (7): 1792–1798.
APA
Jans, L., Ditchfield, M., Jaremko, J., Stephens, N., & Verstraete, K. (2010). MRI demonstrates the extension of juxta-articular venous malformation of the knee and correlates with joint changes. EUROPEAN RADIOLOGY, 20(7), 1792–1798.
Vancouver
1.
Jans L, Ditchfield M, Jaremko J, Stephens N, Verstraete K. MRI demonstrates the extension of juxta-articular venous malformation of the knee and correlates with joint changes. EUROPEAN RADIOLOGY. 2010;20(7):1792–8.
MLA
Jans, Lennart, M Ditchfield, JL Jaremko, et al. “MRI Demonstrates the Extension of Juxta-articular Venous Malformation of the Knee and Correlates with Joint Changes.” EUROPEAN RADIOLOGY 20.7 (2010): 1792–1798. Print.
@article{1111370,
  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.},
  author       = {Jans, Lennart and Ditchfield, M and Jaremko, JL and Stephens, N and Verstraete, Koenraad},
  issn         = {0938-7994},
  journal      = {EUROPEAN RADIOLOGY},
  keyword      = {Arthropathy,MRI,Knee,Venous malformation,Extension,VASCULAR MALFORMATIONS,HEMOPHILIC ARTHROPATHY,CLASSIFICATION,CHILDREN,EXTREMITIES,MANAGEMENT,DIAGNOSIS},
  language     = {eng},
  number       = {7},
  pages        = {1792--1798},
  title        = {MRI demonstrates the extension of juxta-articular venous malformation of the knee and correlates with joint changes},
  url          = {http://dx.doi.org/10.1007/s00330-010-1733-7},
  volume       = {20},
  year         = {2010},
}
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