Villonodular synovitis (VNS) is a rare inflammatory condition that affects the synovial lining of joints, bursae, and tendon sheaths. This condition is characterized by the formation of nodules or villi, which are composed of inflamed synovial tissue. When these nodules or villi become pigmented, the condition is called pigmented villonodular synovitis (PVNS). PVNS can occur in various joints, including the knee, hip, ankle, shoulder, and elbow.
The exact cause of PVNS is not yet known. However, researchers believe that it may be caused by genetic factors, trauma, or abnormal immune system response. PVNS can affect people of all ages, but it is more common in adults between the ages of 20 and 50 years old.
The symptoms of PVNS include pain, swelling, stiffness, and limited range of motion in the affected joint. In some cases, patients may also experience joint locking or catching, especially in the knee joint. If left untreated, PVNS can cause joint damage and disability.
The treatment for PVNS depends on the severity of the condition and the location of the affected joint. In some cases, non-surgical treatments such as medication, physical therapy, and joint aspiration may be enough to relieve symptoms. However, in most cases, surgery is required to remove the affected synovial tissue.
After treatment, patients may need to undergo physical therapy to regain strength and mobility in the affected joint. Regular follow-up appointments with a healthcare provider are also recommended to monitor for any recurrence of the condition.
Pigmented villonodular synovitis is a rare condition that can cause significant joint pain and stiffness. If you are experiencing joint pain or stiffness, it's important to consult with a healthcare provider for an accurate diagnosis and treatment plan. With proper treatment, many patients with PVNS are able to regain their mobility and return