M06.26

Clinical Causes: Rheumatoid arthritis: An autoimmune disorder where the immune system mistakenly attacks joint tissues, including bursae around the knee. Chronic inflammation: Persistent inflammation related to rheumatoid arthritis can lead to bursitis over time. Joint degeneration: Progressive damage or deformity caused by rheumatoid arthritis may cause bursae to become inflamed. Repetitive knee movements or stress: Though less common, repetitive stress on the knee joint may exacerbate inflammation.

Key Symptoms: Pain in the knee, especially when moving or applying pressure. Swelling or fullness around the knee area. Warmth and tenderness over the affected bursae. Reduced range of motion, stiffness, or difficulty in bending or straightening the knee. Persistent discomfort that may worsen with activity or after periods of rest. Possible redness or visible swelling in some cases.

Diagnosis Path: Imaging tests such as X-rays to evaluate joint damage or swelling. Ultrasound imaging to visualize bursae and detect inflammation. Magnetic Resonance Imaging (MRI) for detailed images of soft tissues around the knee. Laboratory tests including blood work to identify markers of inflammation, rheumatoid factor, or other autoimmune indicators. Aspiration of joint fluid if infection or other causes need to be ruled out.

Treatment Protocols: Nonsteroidal anti-inflammatory drugs (NSAIDs) to alleviate pain and decrease inflammation. Corticosteroid injections directly into the bursa to provide targeted relief. Disease-modifying antirheumatic drugs (DMARDs) to control rheumatoid arthritis activity overall. Physical therapy and gentle exercises to improve joint mobility and strength. Rest and activity modifications to prevent exacerbation of symptoms. In some cases, drainage of excess fluid from the bursa may be necessary. Surgical interventions, such as bursectomy, are considered if conservative treatments fail or if there is significant joint damage.