title: Roentgen diagnosis of naso-pharyngeal masses.
mesh_terms: D002277:Carcinoma / Q000000981:diagnostic imaging*; D003528:Carcinoma, Adenoid Cystic / Q000000981:diagnostic imaging*; D003287:Contrast Media; D018219:Histiocytoma, Benign Fibrous / Q000000981:diagnostic imaging*; D006801:Humans; D008228:Lymphoma, Non-Hodgkin / Q000000981:diagnostic imaging*; D009298:Nasal Polyps / Q000000981:diagnostic imaging*; D009303:Nasopharyngeal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography
chemical_list: D003287:Contrast Media