MRI evaluation and complications of medial patellofemoral ligament reconstruction》.pdfVIP

Clinical Imaging 39 (2015) 116–127 Contents lists available at ScienceDirect Clinical Imaging j o ur nal homepage: http://www.cli ni MRI evaluation and complications of medial patellofemoral ligament reconstruction Maha Torabi ⁎, Sean Wo, Dharmesh Vyas, Joanna Costello UPMC Department of Radiology, 200 Lothrop St., Pittsburgh, PA 15213 a r t i c l e i n f o a b s t r a c t Article history: Medial patellofemoral ligament (MPFL) reconstruction is a relatively new surgical technique for the treatment Received 26 March 2014 of recurrent patellar instability and dislocation. Radiologic findings following MPFL reconstruction are not Received in revised form 2 July 2014 well described in the existing literature. Here, we review the anatomy and biomechanics of the MPFL, review Accepted 10 July 2014 imaging findings following double-bundle MPFL reconstruction, and show examples of complications arising from reconstruction. Keywords: Knee MRI © 2015 Elsevier Inc. All rights reserved. Medial patellofemoral ligament reconstruction Recurrent patellar dislocation MPFL reconstruction Complication 1. Introduction remains controversial [2–7]. Studies suggest that it originates just