M67.5

Clinical Causes: Repetitive knee movements, especially bending and straightening actions Trauma or injury to the knee, such as a blow or sudden twist Overuse from activities like running, jumping, or cycling Previous knee surgeries or arthroscopic procedures that may irritate the plica Structural abnormalities of the knee joint that increase stress on the plica

Key Symptoms: Knee pain, typically on the front or inner side of the knee A sensation of popping or catching during knee movement Swelling or tenderness around the kneecap A feeling of increased discomfort when flexing or extending the knee Difficulty moving the knee through its full range of motion Pain that worsens after prolonged activity or sitting for extended periods

Diagnosis Path: Healthcare providers usually conduct a physical examination to identify signs of plica syndrome. They may assess the movement and stability of the knee, look for swelling, and check for tenderness along the joint line. To confirm the diagnosis, imaging tests such as MRI scans might be ordered, as they can visualize the plica and surrounding structures. Sometimes, an arthroscopic examination may be used to directly observe the inner knee structures and confirm the presence of inflamed or thickened plica.

Treatment Protocols: Management of plica syndrome often involves a combination of conservative measures, including: - Rest and activity modification to reduce knee stress - Applying ice to decrease swelling and pain - Over-the-counter anti-inflammatory medications to manage discomfort - Physical therapy focused on strengthening the muscles around the knee and improving joint mechanics If symptoms persist despite conservative treatments, surgical intervention may be considered. This could involve arthroscopic removal or smoothing of the affected plica to alleviate symptoms and improve knee function. Post-surgical rehabilitation often includes physical therapy to regain strength and range of motion.