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Related Experiment Videos

Symptomatic infrapatellar plica.

Burak Demirag1, Cagatay Ozturk, Mehmet Karakayali

  • 1Department of Orthopedic Surgery, Uludag University Medical School, 16059 Görükle, Bursa, Turkey. rezocagatay@hotmail.com

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
|August 2, 2005
PubMed
Summary

Arthroscopic infrapatellar plica (IPP) excision can alleviate knee pain, but its type and MRI findings do not predict symptoms. Careful clinical correlation is essential before diagnosing IPP as the sole cause of knee pain.

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Area of Science:

  • Orthopedic Surgery
  • Knee Arthroscopy
  • Sports Medicine

Background:

  • The infrapatellar plica (IPP) is a common intra-articular fold in the knee.
  • Symptomatic IPP can cause pain, clicking, and instability, mimicking other knee derangements.
  • Accurate diagnosis and treatment are crucial for successful patient outcomes.

Purpose of the Study:

  • To evaluate clinical outcomes following arthroscopic IPP excision.
  • To determine if IPP is symptomatic and identify associated clinical presentations.
  • To correlate arthroscopic findings with clinical presentation and MRI findings.

Main Methods:

  • Retrospective study of 14 patients with isolated IPP undergoing arthroscopic resection (Feb 1996-Apr 2001).
  • Correlation of arthroscopy findings, preoperative MRI, and clinical presentation.

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  • Follow-up duration averaged 36 months (range 24-60 months).

    • Main Results:

    • IPP patterns included fenestra (7), separate/cord-like (5), and vertical septum (2).
    • Two excellent, ten good, and two poor outcomes were reported post-excision.
    • No significant correlation found between IPP type/MRI findings and symptom severity (P>0.05).

    Conclusions:

    • Infrapatellar plica should be considered in cases of knee pain, especially with MRI evidence and no other internal derangement.
    • IPP type is not a reliable prognostic factor for knee pain.
    • Close clinical correlation and exclusion of other knee pathologies are recommended before attributing symptoms solely to IPP.