Patellar dislocations in children, adolescents and adults: a comparative MRI study of medial patellofemoral ligament injury patterns and trochlear groove anatomy

European Journal of Radiology
Peter BalcarekKarl-Heinz Frosch

Abstract

The first aim was to compare medial patellofemoral ligament injury patterns in children and adolescents after first-time lateral patellar dislocations with the injury patterns in adults. The second aim was to evaluate the trochlear groove anatomy at different developmental stages of the growing knee joint. Knee magnetic resonance (MR) images were collected from 22 patients after first-time patellar dislocations. The patients were aged 14.2 years (a range of 11-15 years). The injury pattern of the medial patellofemoral ligament was analysed, and trochlear dysplasia was evaluated with regard to sulcus angle, trochlear depth and trochlear asymmetry. The control data consisted of MR images from 21 adult patients who were treated for first-time lateral patellar dislocation. After patellar dislocation, injury to the medial patellofemoral ligament was found in 90.2% of the children and in 100% of the adult patients. Injury patterns of the medial patellofemoral ligament were similar between the study group and the control group with regard to injury at the patellar attachment site (Type I), to the midsubstance (Type II) and to injury at the femoral origin (Type III) (all p>0.05). Combined lesions (Type IV) were significantly less frequ...Continue Reading

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Citations

Nov 19, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Peter BalcarekKlaus Michael Stürmer
May 4, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Hui Jun KangLei Ma
Feb 1, 2014·European Journal of Trauma and Emergency Surgery : Official Publication of the European Trauma Society·J HoetzelK-H Frosch
Sep 6, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Peter BalcarekKlaus Michael Stürmer
May 10, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·M PetriM Jagodzinski
Apr 10, 2013·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Long-Fei MaHao-Yu Wang
Apr 2, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Betina B HinckelGilberto Luis Camanho
Nov 14, 2015·Archives of Trauma Research·Maximilian PetriMohamed Omar
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Sep 16, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Arash AframianCaroline Blanca Hing
Jun 4, 2011·The American Journal of Sports Medicine·Peter Balcarek
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Nov 1, 2013·Orthopaedic Journal of Sports Medicine·Addison WilsonJoseph B Slakey

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