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Arthroscopy-Assisted Fabella Excision: Surgical Technique.

Matthew T Provencher1, George Sanchez1, Márcio B Ferrari1

  • 1Steadman Philippon Research Institute, Vail, Colorado, U.S.A.

Arthroscopy Techniques
|June 6, 2017
PubMed
Summary
This summary is machine-generated.

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Sports Unite All of Us.

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Surface Attachment Points for Lateral Extra-articular Procedures Are in Close Proximity to the Femoral and Tibial Physes in Skeletally Immature Patients.

Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association·2026

The fabella, a small bone in the knee, can cause chronic pain. Surgical removal (fabella excision) offers a safe and effective solution for persistent knee pain when non-surgical methods fail.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Anatomy

Background:

  • The fabella is an intra-articular sesamoid bone located near the lateral femoral condyle.
  • It can be a source of chronic posterolateral knee pain due to conditions like chondromalacia or osteoarthritis.
  • Diagnosis is often delayed due to its rarity and varied presentation.

Purpose of the Study:

  • To describe a technique for arthroscopically assisted fabella excision.
  • To highlight the importance of considering the fabella in cases of persistent posterolateral knee pain, particularly in athletes.
  • To present a reliable surgical alternative for refractory cases.

Main Methods:

  • Arthroscopically assisted surgical excision of the fabella.
  • Preoperative and intraoperative assessment of the fabella and surrounding structures.

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  • Evaluation of femoral condyle damage to prevent over-resection.

    • Main Results:

    • Fabella excision is presented as a reliable and safe treatment option.
    • The technique aims to minimize damage to surrounding structures and prevent over-resection.
    • Successful management of posterolateral knee pain in patients unresponsive to conservative care.

    Conclusions:

    • Symptomatic fabella should be considered in the differential diagnosis of chronic posterolateral knee pain.
    • Arthroscopically assisted fabella excision is an effective treatment for patients with persistent pain.
    • The described technique ensures thorough evaluation and safe removal, preserving joint integrity.