鼻咽癌的MRI诊断和评价

目的　分析鼻咽癌的MRI表现 ,探讨MRI在鼻咽癌诊断中的作用。方法　本组经活检病理证实的初治鼻咽癌者 (NPC) 4 0例 ,鼻咽癌放疗后复发 (RNPC)者 10例。 5 0例患者均于MRI平扫后行MRI增强扫描。结果　MRI能较早地显示鼻咽的顶后壁及侧壁的增厚 ,咽隐窝的变钝、闭塞、咽旁间隙、颅底及颅内的侵犯及颈部淋巴结转移。结论　MRI在鼻咽癌的定位及定性诊断中有重要的价值 ,MRI增强扫描能明显增加患者的诊断信息

MRI Diagnosis and Evaluation of Nasopharyngeal Carcinoma

Objective To study MRI findings and discuss the diagnosis value of nasopharyngeal carcinoma (NPC). Methods There were 40 cases with pre.cure NPC underwent biopsy and pathology, 10 cases with recurrence after radiotherapy. 50 cases had plain scan and contrast enhance scan. Results MRI could early display nasopharyngeal top and closed off, lesions invaded parapharyngeal space. Intracranial structures and neck lymphatic turned. Conclusion MRI could provide useful informations about position and quality of nasopharyngeal carcinoma. Contrast enhanced MRI could obvious add diagnosis informations about patient.