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鼻咽部CT扫描具有良好的密度分辩力,不但能满意地发现鼻咽部原发病变的范围,且能较清晰地显示鼻咽部病变与周围组织结构的关系。特别是临床检查及常规X线不能发现的咽旁间隙及颅内病变,CT可以较好地
The CT scan of the nasopharynx has a good density and can not only find the extent of primary lesions in the nasopharyngeal area satisfactorily, but also clearly show the relationship between the nasopharynx lesions and the surrounding tissue structure. In particular, clinical examinations and conventional X-rays can not be found in the parapharyngeal space and intracranial lesions, CT can be better