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Doctor insights on: Pigmented Villonodular Synovitis Of The Knee

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Pigmented villonodular synovitis in knee size of a finger. Surgeon said to cut 20cm and then remove, as keyhole will be too small. Any other methods?

Pigmented villonodular synovitis in knee size of a finger. Surgeon said to cut 20cm and then remove, as keyhole will be too small. Any other methods?

PVNS: Pvns is described as "focal" or "diffuse." if focal or diffuse an arthroscopic approach to the knee is probably the best approach. Pvns can involve other joints as well including the shoulder and hip. A skilled surgeon should be able to remove pvns from "behind" the knee through designated posteromedial and posterolateral portals. Unfortunately, there is a significant recurrence rate. ...Read more

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Dr. James Lin
76 doctors shared insights

Synovitis (Definition)

The synovial membrane is the lining of a joint and synovitis is inflammation of that lining. It can cause joint pain, swelling, and stiffness. When inflamed, the lining will create excessive joint fluid, causing swelling and increased joint pressure. The lining can also become thickened and cause apparent joint enlargement. Commonly associated with ...Read more


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My husband has pigmented villonodular synovitis in his left ankle he has had two surgeries but is still in constant pain. Any suggestions?

Recurrence?: Pvns can cause serious damage to the cartilage of joints, and can have a high rate of recurrence even with surgical excision (removal) of the lesions. He may eventually need to consider either ankle replacement or fusion in order to be pain free. Some of the pain may be associated with having 2 surgeries, including neuritis and scar tissue. ...Read more

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Friend had hip repl & diag of pigmented villonodular synovitis. Chances of reoccur/prevention or known causes? Is synovectomy usually perf at op?

Friend had hip repl & diag of pigmented villonodular synovitis. Chances of reoccur/prevention or known causes? Is synovectomy usually perf at op?

Possible: If the diagnosis was known at the time of joint replacement, then the surgeon would likely have performed as complete a synovectomy as possible. However, it is not possible to remove all of the synovium, even when a hip replacement is done, and therefore many orthopaedic oncologists recommend adjuvant radiation therapy, which could adversely affect the hip replacement. An expert is necessary! ...Read more

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What can I do to relieve the pain of synovitis in the ankle and arthritis in the knee?

What can I do to relieve the pain of synovitis in the ankle and arthritis in the knee?

No enough info: What is the cause of the synovitis of the ankle? That answer will dictate the proper treatment. The same goes for the knee issue. See a rheumatologist. ...Read more

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I have chronic left knee swelling and pain (for 3 years!) after extensive testing diagnosis is synovitis. Any recommendations?

I have chronic left knee swelling and pain (for 3 years!) after extensive testing diagnosis is synovitis.  Any recommendations?

Injection or surgery: I'm assuming after 3 years you have tried pt and antiinflammatories. Draining the knee followed by a cortisone injection (assuming the fluid doesn't look infected) could help. If there is any suspicion for infection, hold off on the cortisone until the synovial fluid has been evaluated. Last resort is to see an ortho surgeon about a synovectomy. ...Read more

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What to do and not to do for knee synovitis?

Get diagnosis: The first step in treating knee problems is to determine the cause. The treatment of knee synovitis will vary depending upon the disease. If you have synovitis from rheumatoid arthritis the treatment is very different than if it is from pseudo gout. Please see a doc. Ask again if you can provide more details and/or need more info. Sorry I cannot be more help. ...Read more

Pigment (Definition)

Any chemical which has a color (minerals also) can be said to have a pigment. Such chemicals are responsible for the colors of the skin, the hair, the eyes and things we don't ordinary see such as the brown ...Read more