Pigmented Villonodular Synovitis of the Hip Managed with Arthroscopic Synovectomy: An Analysis of 19 Cases with up to 10-year Follow-up

Objectives: A tenosynoival giant cell tumor known as pigmented villonodular synovitis (PVNS) is a rare, benign, yet locally aggressive neoplasm arising from the synovium. Although most frequently encountered in the knee joint, PVNS is secondly most commonly seen in the hip joint. Occurrence of PVNS in the hip may destroy intra-articular soft tissue and bone, and at times invade extra-articular tissues. There are two categorizations of PVNS:...