 It became evident there was two tumor extending down the eustachian tube medial to the condyle and therefore I did use the router, I mean the side cutting bur to resect the condyle and the glenoid fossa to expose the medial extent of the eustachian tube. 
It became evident there was two tumor extending down the eustachian tube medial to the condyle and therefore I did use the router , I mean the side cutting bur to resect the condyle and the glenoid fossa to expose the medial extent of the eustachian tube .