RESUMO
OBJECTIVE@#To investigate the clinical characteristics, therapeutic efficacy and misdiagnosis status of sphenoid sinus malignant tumor in order to improve the diagnosis rate.@*METHOD@#Analysing and summarizing 18 patients with sphenoid sinus malignant tumor in our department from 1996 to 2005.@*RESULT@#The metastatic nasopharyngeal carcinoma is the most of sphenoid sinus malignant tumor,the second is chordocarcinoma and non-Hodgkin lymphoma, its clinical manifestation was headache (78%), sight alteration (50%), cranial nerve palsy (39%), nose bleed (11%); the clinical diagnosis rate was 56%.@*CONCLUSION@#The nasal endoscopy is the convention examination for these patients with sphenoid sinus malignant tumor whose imageology diagnosis is of limitation.