Pigmented Villonodular Synovitis | Overview

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What is pigmented villonodular synovitis?

Pigmented villonodular synovitis (PVNS) is a joint problem that usually affects the hip or knee. It can also occur in the shoulder, ankle, elbow, hand or foot.

When you have PVNS, the lining of a joint becomes swollen and grows. This growth harms the bone around the joint. The lining also makes extra fluid that can cause swelling and make movement very painful.

PVNS isn't common. It can affect anyone, but it is most common in people 20 to 45 years old. It may happen slightly more often in men.

Source

Pigmented Villonodular Synovitis of the Hip and Knee by FJ Frassica, M.D., MA Bhimani, M.D., EF McCarthy, M.D., and J Wenz, M.D. (American Family Physician October 01, 1999, http://www.aafp.org/afp/991001ap/1404.html)

Written by familydoctor.org editorial staff

Reviewed/Updated: 04/14
Created: 10/99

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