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Patellofemoral arthroplasty for symptomatic nonunion after trochlear osteotomy for patellar instability: a case
Hans-Peter W van Jonbergen1, Kees van Egmond
1Department of Orthopaedic Surgery, Deventer Hospital, Nico Bolkesteinlaan 75, 7416 SE Deventer, The Netherlands.
Introduction:
Patients with patellofemoral instability with trochlear dysplasia may be treated with trochlear osteotomy.
Case Presentation:
We present a patient with patellofemoral instability treated with trochlear osteotomy. The procedure resulted in nonunion with painful bony impingement and isolated patellofemoral osteoarthritis. Patellofemoral arthroplasty was performed.
Conclusion:
Patellofemoral arthroplasty may be considered a salvage procedure for failed surgical treatment for trochlear dysplasia.