What are the symptoms of PVNS?
If you have PVNS, you'll notice swelling and stiffness in a joint, most often your knee. The joint may hurt. You may have a "popping" feeling when you move the joint. The symptoms usually appear gradually and may come and go over time.
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