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目的 :通过分析鼻咽癌的 CT表现 ,提高对鼻咽癌放疗前后的认识。方法 :对 6 86例病理证实的鼻咽癌 ,全部做鼻咽部 CT横断扫描 ,并详细分析所得资料。结果 :鼻咽癌放疗前后的 CT表现 ,主要有鼻咽腔以及周围软组织改变、淋巴结肿大、颅底骨质增生硬化、颅内直接侵犯、颅内转移、副鼻窦及乳突炎症。结论 :CT检查可以较好地显示鼻咽癌放疗前后的表现 ,辅助放疗的定位及定量 ,也有利于病例的追踪
Objective: To improve the understanding of nasopharyngeal carcinoma before and after radiotherapy by analyzing the CT findings of nasopharyngeal carcinoma. Methods: A total of 866 cases of nasopharyngeal carcinoma were confirmed by nasopharyngeal CT scan. The data were analyzed in detail. Results: The CT findings of NPC before and after radiotherapy mainly include changes of nasopharyngeal cavity and surrounding soft tissues, lymphadenopathy, scleral skull base sclerosis, direct intracranial invasion, intracranial metastases, paranasal sinuses and mastoid inflammation. Conclusion: CT examination can better show the performance of nasopharyngeal carcinoma before and after radiotherapy, radiotherapy positioning and quantification, but also conducive to follow-up of cases