M22.0

Clinical Causes: Weakness or imbalance of the thigh muscles, especially the quadriceps muscle group Structural abnormalities of the knee, such as a high-riding patella (patella alta), shallow femoral trochlea, or misaligned bones Trauma or a sudden injury to the knee, often during sports or physical activities Repetitive stress or overuse of the knee joint Previous dislocations or injuries that have weakened the supporting structures around the kneecap Genetic predisposition affecting joint stability

Key Symptoms: Repeated episodes of the kneecap slipping out of its normal position, often to the outside of the knee Pain around the kneecap, especially during or after activity Swelling and tenderness in the front of the knee Instability or a feeling that the knee might give way Difficulty straightening or bending the knee fully A visible deformity or misalignment of the kneecap in some cases

Diagnosis Path: Diagnosis of recurrent dislocation of the patella involves a comprehensive physical examination to assess knee stability and joint mobility. Medical history is reviewed to identify previous dislocations or injuries. Imaging tests such as X-rays can reveal structural abnormalities and bone alignment issues, while MRI scans may be used to evaluate soft tissue structures like ligaments and cartilage. These assessments help to confirm the diagnosis and plan appropriate treatment strategies.

Treatment Protocols: Treatment options vary depending on the severity and frequency of dislocations being experienced. Conservative management is often the first approach and includes: - Rest, ice application, and elevation to reduce swelling - Immobilization with a knee brace or splint during initial recovery - Physical therapy focused on strengthening the thigh muscles, particularly the quadriceps, to improve joint stability - Activity modifications to prevent further dislocations For recurrent cases, surgical intervention may be necessary, which can involve: - Realignment procedures to correct structural abnormalities - Tightening or repairing soft tissues, such as ligaments - Removing loose cartilage or correcting bony deformities Post-surgery, rehabilitation programs are essential to regain knee strength and mobility. Ongoing management may include braces or supports during high-impact activities to prevent future dislocations.