Knee Injuries
An 18-year-old female dancer presents with recurrent left patellar dislocations. She has had 4 dislocations in the past 2 years, all reducing spontaneously. MRI shows a torn medial patellofemoral ligament (MPFL), trochlear dysplasia (Dejour Type B), increased TT-TG distance of 22mm, and patella alta (Insall-Salvati ratio 1.4). There is no significant cartilage damage. Regarding patellofemoral instability:
Mark each as TRUE or FALSE
The medial patellofemoral ligament (MPFL) is the primary soft tissue restraint to lateral patellar t...
Risk factors for patellofemoral instability include trochlear dysplasia (Dejour classification Types...
The MPFL provides only 10% of restraint to lateral translation; the lateral retinaculum is the prima...
First-time dislocations are typically treated non-operatively with bracing and rehabilitation, thoug...
Surgical options include MPFL reconstruction (using gracilis or other graft, critical to position fe...
Answer the questions to see explanations
Click T (True) or F (False) for each option