Also known as: PVNS - Pigmented Villonodular Synovitis / Pigmented Villonodular Synovitis / PVNS / Villonodular synovitis (pigmented) / Pigmented villonodular synovitis (disorder) / Tenosynovial giant cell tumor, diffuse (morphologic abnormality) / Tenosynovial giant cell tumor / Tenosynovial giant cell tumour / Giant Cell Tumor of Tendon Sheath / Giant cell tumour of tendon sheath / Nodular tenosynovitis (disorder) / Fibrous histiocytoma of tendon sheath (disorder) / Tenosynovial giant cell tumor (morphologic abnormality)