The role of trochleoplasty in patellofemoral instability

Stephen T. Duncan, Brian S. Noehren, Christian Lattermann

Research output: Contribution to journalReview articlepeer-review

36 Scopus citations


The management of recurrent patellofemoral instability is challenging. The etiology of the instability is multifactorial, requiring the examination of lower limb alignment, relationship of the patella to the trochlear groove and tibial tubercle, and the soft-tissue restraints. As initial surgical efforts were aimed at isolated soft-tissue repair or reconstruction, patients often had continued instability. Thus, a heightened interest in trochleoplasty has occurred as trochlear dysplasia has been found in 85% of patients with recurrent instability. Different types of trochleoplasties have been developed depending on the type of dysplasia including the trochlear lengthening osteotomy, the proximal open trochleoplasty, the deepening trochleoplasty, and the arthroscopic deepening trochleoplasty. The techniques, benefits, and results of these trochleoplasties will be presented in this review.

Original languageEnglish
Pages (from-to)171-180
Number of pages10
JournalSports Medicine and Arthroscopy Review
Issue number3
StatePublished - Sep 2012


  • patellofemoral instability
  • trochlear dysplasia
  • trochleoplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation


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