Surgical management of patellofemoral instability. I. Imaging considerations.

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Abstract

[Indexed for MEDLINE] 19. Knee Surg Sports Traumatol Arthrosc. 2016 Jun;24(6):1836-44. doi: 10.1007/s00167-016-4103-4. Epub 2016 Apr 27. Early osteoarthritis of the patellofemoral joint. Arendt EA(1), Berruto M(2), Filardo G(3), Ronga M(4), Zaffagnini S(5), Farr J(6), Ferrua P(2), Grassi A(5), Condello V(7). Author information: (1)Department of Orthopaedic Surgery, University of Minnesota, 2450 Riverside Av. So., Ste. R200, Minneapolis, MN, 55454, USA. arend001@umn.edu. (2)Department of Knee Surgery, Orthopaedic Hospital Gaetano Pini, Milan, Italy. (3)Biomechanics Lab - II Clinic, Rizzoli Orthopaedic Institute, Bologna, Italy. (4)Orthopaedics and Traumatology, Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Varese, Italy. (5)Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, 40136, Bologna, Italy. (6)Indiana School of Medicine, Greenwood, IN, USA. (7)Sacro Cuore Hospital, Negrar, Verona, Italy. Patellofemoral joint cartilage lesions are associated with a variety of clinical situations including blunt trauma, lateral patella dislocations, or as a secondary development in the setting of abnormal joint loading. There is a need for more clarity on how to best address these lesions. Most specifically, when is it necessary to surgically treat these lesions of the patella and trochlea and which technique to use? This review will focus on the spectrum of patellofemoral disease/injury and their treatment strategies, with special emphasis on cartilage damage and early osteoarthritis. Chapter sections will review the most common scenarios of cartilage damage in the patellofemoral joint, with an attempt to summarize current treatment, their outcomes, remaining challenges and unanswered questions. DOI: 10.1007/s00167-016-4103-4