PMC9091396_01
Pre-operative weight-bearing X-ray of the right knee. This right knee radiograph in anteroposterior (left) and lateral (right) view allows the evaluation of the anterior dislocation of the tibia.
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F1
A weight-bearing X-ray image of the right knee revealed a posterior subluxation of the femoral condyles with respect to the tibial plates, as well as a patellar deformation (Fig. 1).
Pre-operative MRI of the right knee in sagittal view. It's possible to observe the agenesis of ACL and PCL resulting in an anterior dislocation of the tibia and consequent joint instability with functional limitation.
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F2
An MRI of the right knee (Fig. 2) revealed agenesis of both the anterior and the posterior cruciate ligaments (PCLs).