Villonodular synovitis (pigmented) is a rare condition that affects the synovial lining of joints, tendons, and bursae. It is characterized by the presence of abnormal cells called macrophages, which produce pigment and form nodules within the synovium. This condition can occur in any joint but most commonly affects the knee, hip, and ankle.
Causes
The exact cause of villonodular synovitis (pigmented) is unknown. However, it is believed to be caused by an abnormal immune response or genetic factors. Some researchers also believe that trauma or injury to a joint may trigger the development of this condition.
Symptoms
Common symptoms of villonodular synovitis (pigmented) include:
In some cases, the affected joint may also feel warm to the touch.
Treatment
Treatment for villonodular synovitis (pigmented) may involve a combination of non-surgical and surgical options. Non-surgical treatments may include:
If non-surgical treatments are not effective, surgery may be necessary. The type of surgery will depend on the severity of the condition and the location of the affected joint. Surgery may involve removal of the affected synovial tissue and nodules, or in some cases, joint replacement surgery may be necessary.
Conclusion
Villonodular synovitis (pigmented) is a rare condition that can cause pain, swelling, and reduced range of motion in the affected joint. While the exact cause of this condition is unknown, treatment options are available to help manage symptoms and improve joint function. If you are experiencing joint pain or other symptoms associated with villonodular synovitis (pigmented), it is important to speak with your healthcare provider to determine the best course of treatment for your individual needs.