nasopharyngeal darcinoma

OBJECTIVE: To discuss imaging characteristics of CT, MRI of tumors involving skull base in the parapharyngeal space,maximatily limit and improve the diagnosis rate of tumors involving skull base in the parapharyngeal space. METHOD: Thirty-one patients with tumors involving skull base in the parapharyngeal space treated in our department were collected and reviewed. All the patients have pathological diagnosis and were examined by CT and/or MRI. To explore shape of tumor, its relation with surrounding structures, CT shows density size and the MRI signal directly through retrospective analysis of imaging characteristics of CT, MRI...