Clinical features and classification of bipartite or tripartite patella.

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Yoshikazu OohashiYoshinori Oohashi

Abstract

The purposes of this study were to report clinical features of the developmental anomaly of ossification type bipartite or tripartite patella using a large series and to propose a new classification for the developmental anomaly of ossification type bipartite or tripartite patella. The first author prospectively examined 111 patients with symptomatic or asymptomatic bipartite (131 knees) or tripartite (8 knees) patellae. Eighty-six (77%) were male and 25 (23%) were female. Forty-three patients (39%) showed right knee involvement and 40 (36%) showed left, while 28 (25%) showed involvement in both knees. Forty-six bipartite and 4 tripartite patellae (36%) were symptomatic and 85 bipartite and 4 tripartite patellae (64%) were asymptomatic at initial examination. The median age at onset of pain of symptomatic patients (50 knees) was 15.6 ± 8.1 years (range, 10-51 years). The most common symptom was pain at the separated fragments during or after strenuous activity in all 50 knees. Physical examination revealed localized tenderness over the separated fragments in all 50 knees. Bipartite or tripartite patellae were classified by evaluating location and number of fragments. One hundred fifteen knees (83%) were classified as supero-lat...Continue Reading

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Citations

Aug 14, 2010·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lamberto FelliLuca Biglieni
Apr 11, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Vasilios SkiadasStefanos Lahanis
Mar 17, 2011·Archives of Orthopaedic and Trauma Surgery·Yoshikazu Oohashi, Yoshinori Oohashi
May 22, 2010·Archives of Orthopaedic and Trauma Surgery·Roland L Stocker, Lutz van Laer
Jan 8, 2016·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Chan Jae ParkHyung Joon Cho
Feb 18, 2014·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yoshikazu Oohashi
Jan 8, 2015·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Samuel E McMahonCaroline B Hing
Jun 22, 2016·Joint, Bone, Spine : Revue Du Rhumatisme·Alparslan Bayram Çarlı, Hasan Turgut
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Jun 19, 2021·Arthroscopy Techniques·Edward R FloydRobert F LaPrade
Aug 20, 2021·Orthopaedic Journal of Sports Medicine·Allison LoewenPaul A Martineau

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