M22.42

Clinical Causes: Repetitive stabbing or grinding activities that put strain on the knee joint. Injury or trauma to the kneecap, such as falls or direct blows. Misalignment of the kneecap or leg bones, causing uneven wear on the cartilage. Muscle imbalances around the knee, especially weak quadriceps muscles. Overuse from activities like running, cycling, jumping, or squatting. Structural abnormalities such as high-riding patella or flat feet. Poor biomechanics during physical activities which increase stress on the kneecap.

Key Symptoms: Pain around or behind the kneecap, especially during activities like climbing stairs, squatting, or sitting for long periods. A grating or grinding sensation when moving the knee. Swelling or tenderness around the kneecap. Feeling of instability or the knee giving way. Difficulty in kneeling or performing activities that involve knee bend. Increased discomfort after activity or prolonged activity. Possible crepitus, a cracking sound during knee movement.

Diagnosis Path: Diagnosis typically involves a combination of medical history review, physical examination, and imaging techniques. The healthcare provider may perform specific tests to assess knee stability and cartilage damage, such as: - Visual inspection and palpation of the knee. - Range of motion assessments. - Patellar tracking examination. - Imaging studies including X-rays to evaluate bone structure and alignments. - MRI scans for detailed imaging of cartilage and soft tissue integrity. Accurate diagnosis helps determine the severity of the condition and guides appropriate treatment planning.

Treatment Protocols: Management of chondromalacia patellae focuses on reducing pain, restoring knee function, and preventing further cartilage deterioration. Common treatments include: - Rest and activity modification to avoid aggravating activities. - Application of ice packs to reduce swelling. - Use of NSAIDs (non-steroidal anti-inflammatory drugs) to alleviate pain and inflammation. - Physical therapy aimed at strengthening the quadriceps muscles and improving knee alignment. - Stretching exercises to improve flexibility around the knee. - Using braces or taping techniques to stabilize the kneecap. - In more severe cases, healthcare professionals may recommend procedures such as arthroscopic surgery to repair or remove damaged cartilage. - Addressing biomechanical issues, such as correcting gait problems or orthotic support for flat feet. - Post-treatment rehabilitation is crucial to regain strength and function, and to prevent recurrence.