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Copyright ©The Author(s) 2017.
World J Orthop. Feb 18, 2017; 8(2): 115-129
Published online Feb 18, 2017. doi: 10.5312/wjo.v8.i2.115
Figure 9
Figure 9 Chronic lateral patellar instability in a patient with grade D trochlear dysplasia. We note that the patella dislocates beyond 40º of knee flexion. Lateral patellar instability resolved after a MPFL reconstruction associated with a sulcus deepening trochleoplasty. MPFL: Medial patellofemoral ligament.