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Purpose: TSGCT is a rare,benign,idiopathic proliferative destructive disease of the synovium.It tends to arise in large joints like knee and ankle and rarely in TMJ.Destructive nature of TSGCT required immediate treatment upon diagnosis.Radical resection proved to be an excellent choice for superior local control.However,unfavorable anatomic location of TMJ and infratemporal fossa with intradural extension makes such a resection impractical.