ENDOSCOPIC EXPANDED ENDONASAL APPROACHES FOR THE RESECTION OF LESIONS OF THE ANTERIOR AND VENTRAL SKULL BASE CAN CREATE LARGE DEFECTS THAT PRESENT A SIGNIFICANT RISK POST OPERATIVE CEREBROSPINAL FLUID LEAKS.
THE HADAD-BASSAGAISTEGUY FLAP, A PEDICLED NASOSEPTAL FLAP, OIS OUR PREFERRED METHOD FOR RECONSTRUCTION.