title: [Primary malignant tumor of the sphenoid sinus--a report of 7 cases].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis / Q000532:radiotherapy*; D013101:Sphenoid Sinus