title: Nasopharyngeal and cervical chordoma--some aspects of their development and treatment.
mesh_terms: D000293:Adolescent; D000328:Adult; D002817:Chordoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery*; D003388:Cranial Fossa, Posterior; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000453:epidemiology*; D009362:Neoplasm Metastasis / Q000473:pathology; D011859:Radiography; D012886:Skull / Q000196:embryology*; D013116:Spinal Cord / Q000196:embryology; D013120:Spinal Cord Neoplasms / Q000453:epidemiology*