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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.Hereby, we reported a case of transcranial approach in resection for a TMJ orientated TSGCT with intradural extension.A complex resection might require a good reconstruction.Transposition of temporal craniotomy bone flap will be another novel state of art in reconstructing the inferior skull base for sake of improved three-dimensional rigid architecture.Temporal craniotomy bone graft is a reliable plug for rigid support in preventing brain hernia and correlated CSF leak.This cost-effective technique is relatively simple and applicable across all socioeconomic strata.