Intra-articular or juxta-articular soft-tissue tumor

May Be Caused by

 Common

Giant cell tumor of tendon sheath

Pigmented villonodular synovitis

Synovial bursa

Synovial cyst

Synovial ganglion

Synovial osteochondromatosis

Tumoral calcinosis

 Uncommon

Lipoma arborescens

Soft-tissue chondroma

Synovial hemangioma

Synovial sarcoma