Giant solitary synovial chondromatosis of the temporomandibular joint withintracranial extension

Synovial chondromatosis are rare entities but are well-described lesions in the literature that can affect many joint areas of the body. A case of tum oral synovial chondromatosis involving the temporomandibular joint With int racranial extension through mandibular fossa is reported. As long as there was significant infratemporal and extradural invasion of the middle and pos terior fossa, a transtemporal and infratemporal approach was performed and total removal of the lesions was achieved. A brief review of:Skull base syn ovial chondromatosis is presented.