M23.00

Clinical Causes: Trauma or injury to the knee, such as twisting or direct impact Degenerative changes in the knee joint over time Repeated stress or overuse of the knee Development of a meniscal tear that subsequently leads to cyst formation Aging process, weakening knee cartilage and tissues

Key Symptoms: Knee pain, especially during movement or weight-bearing activities Swelling around the knee joint A sensation of locking or catching in the knee Limited range of motion Tenderness along the joint line Possible instability or giving way in the knee

Diagnosis Path: Diagnosis typically involves a thorough clinical evaluation by a healthcare professional, including physical examination. Imaging studies play a crucial role in confirming the presence of a cystic meniscus. These may include: - Magnetic Resonance Imaging (MRI): The most effective tool for visualizing soft tissues like cartilage, menisci, and cysts. - X-rays: May be used to rule out other causes of knee pain but provide limited information about soft tissues. Physical tests may also assess the stability and function of the knee joint. An accurate diagnosis helps determine the best course of treatment.

Treatment Protocols: Treatment options vary based on the severity of symptoms and the size of the cyst. They generally include: - Rest and activity modification to reduce stress on the knee - Applying ice and elevating the leg to decrease swelling - Non-steroidal anti-inflammatory drugs (NSAIDs) for pain relief - Physical therapy to strengthen muscles around the knee and improve joint stability - Aspiration: Draining the cyst with a needle, often performed under imaging guidance - Surgical intervention: - Meniscectomy: Removing the affected part of the meniscus - Meniscal repair: Sewing the torn meniscus tissue - Cyst removal: Excision of the cyst itself Post-treatment rehabilitation focuses on restoring movement, strength, and function of the knee. Follow-up with healthcare providers ensures proper healing and prevents recurrence.