For nasopharyngeal carcinoma nasopharyngeal soft tissue mass and the structure of invasion, invasion of skull base in 7 cases, 1 cases of oropharynx, pterygopalatine fossa in 1 cases, 2 cases of cavernous sinus; 7 cases with lymph node metastasis. Conclusion: CT and MRI have important value in judging lesion location, invasion scope and lesion classification.
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