Pigmented villonodular synovitis
This is an uncommon condition where the synovial lining of the knee heaps up in proliferative folds containing haemosiderin pigment and inflammatory cells.
PVNS is an abbreviation of 'pigmented villonodular synovitis'.
This is an uncommon condition where the synovial lining of the knee heaps up in proliferative folds containing haemosiderin pigment and inflammatory cells.