MRI and Arthroscopy Correlation in the Patellofemoral Joint

Lisa G.M. Friedman, Melissa S. White, Patrick F. Carroll, Jeffrey A. MacAlena, Elizabeth A. Arendt, Jutta M. Ellermann, Marc Tompkins

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations

Abstract

The patellofemoral joint is an articulation between the patella and the femoral trochlea, which serves to increase the lever arm of the extensor mechanism. The stability of the patella within the trochlear groove is supported statically by the bony confines of the groove itself, as well as the medial patellofemoral ligament, and dynamically by the vastus musculature. Pathologic changes seen on magnetic resonance imaging (MRI) are frequently well correlated with findings found by arthroscopy at the time of surgery. Degenerative changes to the articular cartilage, osteochondral lesions and loose bodies, tears in the retinaculum, and the medial patellofemoral ligament can be seen in MRI and are well correlated with arthroscopy. In addition, other findings that may predispose an individual to injury or degenerative changes over time, such as patella alta and trochlear dysplasia, can also be assessed by MRI and observed arthroscopically.

Original languageEnglish (US)
Pages (from-to)227-236
Number of pages10
JournalSports medicine and arthroscopy review
Volume25
Issue number4
DOIs
StatePublished - Jan 1 2017

Keywords

  • MPFL
  • articular cartilage
  • patella
  • patellar instability
  • patellofemoral joint

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