S83.142

Clinical Causes: Trauma or injury, such as a fall or direct blow to the knee Sporting injuries involving twisting or impact on the knee Ligament tears or injuries weakening knee stability Repetitive stress or overuse leading to ligament or cartilage damage Previous knee surgeries or injuries causing structural weakness Congenital abnormalities affecting knee alignment

Key Symptoms: Pain localized on the outer side of the knee Swelling and tenderness around the knee joint A feeling of instability or giving way during movement Limited range of motion or difficulty fully bending or straightening the knee Visible deformity or misalignment of the knee Sensitivity to pressure around the joint

Diagnosis Path: Diagnosis typically involves a thorough physical examination where a healthcare provider assesses knee alignment, stability, and tenderness. Imaging tests such as X-rays provide detailed pictures of the bones, helping confirm the lateral subluxation and rule out associated injuries. In some cases, MRI scans may be used to evaluate soft tissues, including ligaments and cartilage, for additional damage.

Treatment Protocols: Treatment strategies depend on the severity of the subluxation and associated injuries. Common approaches include: - Rest and activity modification to prevent further injury - Ice application to reduce swelling - Compression with supportive knee braces or wraps - Elevation of the leg to minimize swelling - Physical therapy focused on strengthening surrounding muscles to improve stability - Non-steroidal anti-inflammatory drugs (NSAIDs) for pain relief - In severe cases, surgical intervention might be necessary to realign the tibia or repair damaged ligaments and soft tissues Follow-up care and adherence to rehabilitation protocols are crucial for proper recovery and regaining knee function.