Summary
This case outlines unsuccessful treatment performing medialization of the tibial tuberosity in recurrent patellar dislocation in patients with dysplastic trochlea. A distal correction is not sufficient and adequate to treat a proximal pathological situation on the femur. In contrast, it can be dangerous creating secondary pathologies. The goal of the surgical reconstruction must be the elimination of the real pathology. The pathology in recurrent patellar dislocations is in most cases a dysplastic trochlea and only a few dislocations are really traumatic. In addition to lateral normal x-rays, the axial CT-scans in 0± of knee flexion with and without quadriceps muscle contraction are the best imaging modality to demonstrate abnormal patellofemoral relationship. Medialization of the tibial tuberosity always includes the risk of overloading the medial patellofemoral and femorotibial joint.
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Biedert, R.M. (2006). Complicated Case Studies. In: Sanchis-Alfonso, V. (eds) Anterior Knee Pain and Patellar Instability. Springer, London. https://doi.org/10.1007/1-84628-143-1_20
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DOI: https://doi.org/10.1007/1-84628-143-1_20
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