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Abstract #1211

Real Time fat suppressed MRI of the knee joint during flexion/extension allows the study of PCL motion

Valentina Mazzoli 1,2 , Andre Sprengers 3 , Aart J. Nederveen 2 , Gustav J. Strijkers 1,4 , Klaas Nicolay 1 , and Nico Verdonschot 3,5

1 Biomedical NMR, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands, 2 Department of Radiology, Academic Medical Center, Amsterdam, Netherlands, 3 Orthopaedic Research Lab, Radboud University Medical Center, Nijmegen, Netherlands, 4 Biomedical Engineering and Physics, Academic Medical Center, Amsterdam, Netherlands, 5 Laboratory of Biomechanical Engineering, University of Twente, Enschede, Netherlands

While the added value of dynamic MRI over conventional static imaging has already been demonstrated in several studies, dynamic imaging of soft tissues in the knee such as ligaments and tendons has been investigated less extensively, mostly due to the technical and practical challenge of dynamic fat suppressed imaging during movement of the knee joint. We present here a fast and robust technique for fat suppression to be used in real time imaging of the flexion/extension of the knee. Fat suppression allowed segmentation and evaluation of the posterior cruciate ligament pattern of elongation during flexion/extension.

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