• roof
  • Osteoradionecrosis produced a large defect in the roof of the nasopharynx causing direct communication with the sphenoid sinus ( n = 6). (ajnr.org)
  • patients
  • The effect of adenotonsillectomy on serum insulin like growth factors and the adenoid/nasopharynx ratio in pediatric patients: a blind, prospective clinical study. (biomedsearch.com)
  • The MR imaging reports of patients undergoing imaging after radiation therapy for nasopharyngeal carcinoma were reviewed retrospectively to identify patients with unusual polyps and masses in the nasopharynx. (ajnr.org)
  • The MR imaging reports of 1282 patients were reviewed, and 11 patients (1%) with NMPMs in the nasopharynx or sphenoid sinus were identified. (ajnr.org)
  • 6 However, there are some patients who go on to develop severe delayed radiation effects resulting in the formation of unusual nonmalignant polyps and masses (NMPMs) in the nasopharynx and sphenoid sinus. (ajnr.org)
  • treatment
  • The purpose of this study was to document the MR appearance of unusual nonmalignant polyps or masses (NMPMs) in the nasopharynx and sphenoid sinus arising after radiation treatment of nasopharyngeal carcinoma. (ajnr.org)