title: CT of primary malignant tumours of the nasopharynx.
mesh_terms: D000328:Adult; D000368:Aged; D001706:Biopsy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy; D009367:Neoplasm Staging; D010255:Paranasal Sinus Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D014057:Tomography, X-Ray Computed