S83.012

Clinical Causes: Traumatic injury during sports or falls that force the knee inward or outward Underlying anatomical abnormalities such as a shallow trochlear groove or misaligned kneecap Muscle imbalances around the knee, especially weak quadriceps muscles or tight lateral structures Repetitive stress or overuse of the knee joint Previous knee injuries that weaken supporting ligaments

Key Symptoms: Pain around the front of the knee, especially during movement A sense of instability or the knee giving way Swelling or inflammation around the kneecap A visible protrusion or misalignment of the kneecap on the outer side Tenderness when touching the outer part of the knee Popping or grinding sensations during knee movement

Diagnosis Path: Diagnosis typically involves a clinical examination by a healthcare provider, who will assess knee stability, range of motion, and the position of the patella. Imaging studies such as X-rays are essential to confirm the subluxation and evaluate any associated damage to the bones or surrounding structures. In some cases, MRI scans are recommended to assess soft tissue injuries like ligament or cartilage damage.

Treatment Protocols: Management of a lateral subluxation of the left patella can vary based on severity and underlying causes. Common approaches include: - Rest and ice to reduce pain and swelling - Compression and elevation to support healing - Nonsteroidal anti-inflammatory drugs (NSAIDs) for pain relief - Physical therapy focusing on strengthening the quadriceps and hip muscles to stabilize the kneecap - Use of knee braces or taping techniques to keep the patella in proper alignment - In more severe or recurrent cases, surgical interventions such as realignment procedures or ligament reconstruction may be necessary to restore stability and function. Following treatment, rehabilitation exercises aim to restore full range of motion, strength, and stability to prevent future dislocations or subluxations.