Endoscopic Nasopharyngectomy for Newly Diagnosed Stage I Nasopharyngeal Carcinoma Patients

Endoscopic nasopharyngectomy included endoscopic resection, with or without posterior pedicle nasal mucoperiosteal flap resurfacing the nasopharyngeal defects.

All of the patients were received irradiation by IMRT. The target volumes were delineated according to a previously described institutional treatment protocol, which is in accordance with the International Commission on Radiation Units and Measurements reports 50 and 62.