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Related Experiment Video

Updated: Mar 3, 2026

Anterior Cruciate Ligament Transection and Synovial Fluid Lavage in a Rodent Model to Study Joint Inflammation and Posttraumatic Osteoarthritis
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Anterior Cruciate Ligament Transection and Synovial Fluid Lavage in a Rodent Model to Study Joint Inflammation and Posttraumatic Osteoarthritis

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Patellar Instability: When is Trochleoplasty Necessary?

S Evan Carstensen1, Heather M Menzer, David R Diduch

  • 1Department of Orthopaedic Surgery, University of Virginia Health System, Charlottesville, VA.

Sports Medicine and Arthroscopy Review
|May 2, 2017
PubMed
Summary
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Clinical Outcomes Following Anatomic Medial Patellofemoral Ligament Reconstruction With Concomitant Procedures in Skeletally Immature Patients With Patellar Instability.

Orthopaedic journal of sports medicine·2026
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Osteochondral autograft transfer for capitellar osteochondritis dissecans in high-level adolescent athletes.

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Accuracy of Preoperative Magnetic Resonance Imaging in Predicting Intra-articular Pathology Associated With Patellar Instability Diagnosed by Arthroscopy: A High Rate of Discordant Findings Altering Surgical Treatment.

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Physical Examination for Patellofemoral Instability.

Video journal of sports medicine·2025

Trochleoplasty effectively corrects patellar instability and trochlear dysplasia. Careful patient selection using clinical evaluation and advanced imaging is crucial for successful surgical outcomes.

Area of Science:

  • Orthopedic surgery
  • Biomechanics
  • Anterior knee pain

Background:

  • Patellar instability and trochlear dysplasia are common orthopedic conditions.
  • Understanding knee anatomy and biomechanics is key to treatment.
  • Trochleoplasty is a recognized surgical intervention.

Purpose of the Study:

  • To define the indications for trochleoplasty.
  • To outline patient evaluation for trochleoplasty.
  • To improve surgical outcomes for patellar instability.

Main Methods:

  • Review of clinical evaluation methods.
  • Assessment of diagnostic imaging techniques.
  • Analysis of patient history and physical examination findings.

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Main Results:

  • Key indicators for trochleoplasty include 'J sign', recurrent instability, patella alta, and trochlear dysplasia.
  • Thorough patient evaluation is essential for optimal results.
  • Advanced imaging aids in surgical planning.

Conclusions:

  • Trochleoplasty is a viable surgical option for specific patellofemoral issues.
  • Careful patient selection is paramount for successful trochleoplasty.
  • Further research into surgical techniques and outcomes is warranted.