MODIFICATIONS OF TRANSNASAL AND TRANSORAL STEREOTAXIC PROCEDURES - TECHNICAL NOTES

Stereotactic transnasal and and transoral procedures have been reporte d by different authors in the past. In this paper, several modificatio ns of these methods are described. The modifications are: transnasal a pproach to the frontal skull base and suprasellar regions; and transor al approaches to the clivus, the petroclival junction, medial part of the cerebellopontine angle and the lateral mass of C-1. Eleven patient s were operated on using these modifications. The procedures were for biopsy and brachytherapy. No complications resulted from the procedure s.