v4.1 Fusion X
Patellar instability often due to MPFL rupture after lateral patellar dislocation. Risk factors: trochlear dysplasia, patella alta, increased TT-TG distance. Clinical: recurrent dislocation, apprehension sign, medial tenderness. Imaging: MRI confirms MPFL injury, evaluates trochlear morphology; CT for TT-TG. Treatment: MPFL reconstruction using hamstring autograft; correct bony factors if severe.
What is the primary function of the medial patellofemoral ligament (MPFL)?
Which imaging modality is best used to confirm an MPFL tear?
Which of the following is a key anatomical risk factor for recurrent patellar dislocation?
In MPFL reconstruction, what is the ideal graft choice for minimizing donor site morbidity?
What is the recommended distance for TT-TG (tibial tuberosity-trochlear groove) to indicate surgical intervention?
The MPFL provides its greatest restraining force during which range of knee flexion?
What is the most critical step in MPFL reconstruction regarding tunnel placement?
Which of the following is NOT an indication for MPFL reconstruction?
The VMO (vastus medialis obliquus) contributes to patellar stability by:
What is the primary goal of MPFL reconstruction?