Abstract #2815

MRI of the knee during weight-bearing standing postures involving positions of joint extension and flexion

YueFen Zou¹, Yu Zheng¹, HongYuan Ding¹, SiSeung Kim², Shekhar Suresh Chandra³, Jurgen Fripp⁴, Jian Bao², HuiYao Zhang², Bing Keong Li², and Craig Engstrom ⁵

¹Medical Imaging, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China, ²Jiangsu LiCi Medical Device Co. Ltd, LianYunGang, China, ³ITEE, The University of Queensland, Brisbane, Australia, ⁴The Australian e-Health Research Centre, CSIRO, Brisbane, Australia, ⁵School of Human Movement & Nutrition Science, The University of Queensland, Brisbane, Australia

Standing weight-bearing MR images of the knee joint in full extension and at various flexion angles (~15°, 30°) were acquired using 2D and 3D sequences on a newly developed open 0.25T extremity MRI system. 3D FLASH images were used to calculate measures of patella positioning used in previous clinical investigations as well as to produce MRI-based 3D bone models. The use of MRI and 3D modeling for topographical analyses of the bones and soft-tissues of the knee joint have the potential to provide more detailed assessment of pathoanatomical conditions involving structures such as the patella tendon and the menisci.

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