Temporomandibular joint neoplasms and pseudotumors

Neoplasms and pseudotumors of the temporomandibular joint (TMJ) are very un common. Early recognition of such will prevent therapeutic delay and may ha ve a dramatic impact on patient morbidity and mortality. Included in rare T MJ lesions are the following: 1)synovial chondromatosis, 2) osteochondroma, 3) osteoma, 4) osteoblastoma, 5) pigmented villonodular synovitis, 6) gang lion, 7) synovial cyst, 8) simple bone cyst, 9) aneurysmal bone cyst, 10) e pidermal inclusion cyst, 11) hemangioma, 12) nonossifying fibroma, 13) Lang erhans cell histiocytosis, 14) plasma cell myeloma, 15) sarcoma.