An Uncommon Cause of Knee Locking – Pigmented Villonodular Synovitis (PVNS)

Posted by Dr Chang Haw Chong on April 25, 2011 · 12 Comments 

PVNS or pigmented villonodular synovitis is an uncommon condition that I see from time to time. This is a benign tumour involving the inner lining of a joint. I treat about 3 to 4 such cases each year. Although it can affect any joint in the body, the most common joint with this problem that … Continue reading →

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