M25.361

Clinical Causes: Ligament laxity or mild ligament injuries not classified as complete tears Meniscal injuries affecting the joint's stability Muscle weakness or imbalance around the knee Chronic wear and tear from osteoarthritis Previous knee injuries leading to residual joint instability Patellar instability or maltracking Structural abnormalities in the bone or cartilage Inflammation in the knee joint, such as from bursitis

Key Symptoms: A sensation that the knee is unstable or 'wobbly' Feeling of the knee giving way during activity Pain or discomfort around the knee joint Swelling or stiffness in the knee Difficulty bearing weight or walking for extended periods Recurring episodes of knee feeling like it might buckle or collapse Limited range of motion in some cases

Diagnosis Path: • A detailed medical history, focusing on previous injuries and symptom progression • Physical examination to assess joint stability, range of motion, and areas of tenderness • Special tests to evaluate ligament and meniscal integrity, such as valgus and varus stress tests • Imaging studies like X-rays to rule out bone abnormalities and osteoarthritis; MRI scans may be utilized to visualize soft tissue structures like ligaments and cartilage • Sometimes, diagnostic arthroscopy is performed if non-invasive imaging is inconclusive

Treatment Protocols: • Rest and activity modification to reduce joint strain • Physical therapy focused on strengthening the muscles around the knee to improve stability • Use of support devices like knee braces or orthotics to aid in joint stabilization • Anti-inflammatory medications to reduce pain and swelling • In some cases, corticosteroid injections may be recommended • Surgical intervention might be considered if conservative measures fail, such as procedures to tighten ligaments or repair damaged cartilage or menisci • Post-treatment rehabilitation is crucial to restore function and prevent future episodes of instability