目的 探讨MRI对椎管脊膜瘤的诊 断应用价值。方法 回顾性分析我院收集 2015年2月-2016年1月接收诊治的23例经 手术病理结果证实的椎管内脊膜瘤，并 对23例椎管脊膜瘤患者的肿瘤位置、边 缘形态、肿瘤的大小、与周围组织关系 以MRI平扫和增强扫描影像特征进行综合 分析。结果 23例患者中，女性患者为主 有15例，男性患者为主有8例，年龄分布 在33-67岁，研究中23例脊膜瘤均为单发 性，病变以扁丘圆形为主15个，圆形为8 个。病变分布范围在胸部16例、颈部5例 和腰部2例，肿瘤在T1WI和T2WI中分别表 现为较低信号、中等信号和等信号、高信 号，增强扫描时大部分表现为规律强化， 脊膜尾征(meningeal tail sign)均出 现。结论 MRI平扫结合增强扫描在对椎管 脊膜瘤的诊断过程中提高了对脊膜瘤的准 确率，是临床诊断辅助检查中的一项重要 的检查，具有极大的临床价值。

Objective To investigate the application value of MRI on spinal meningioma. Methods 23 cases with spinal meningioma in our hospital from February 2015 to January 2016 were selected. Tumor location, marginal types, tumor size, image feature of MRI scan and enhanced scan of the patients were comprehensively analyzed. Results Of 23 cases, female dominated were 15 cases, male dominated were 8 cases, age 33-67. 23 cases were all solitary. Lesion showed half oval 15 cases, circle 8 cases. Lesion distribution range in chest 16 cases, in neck 5 cases, in waist 2 cases. Tumor in T1WI and T2WI expressed low signal, medium signal and equisignal, high signal. When in enhanced scan, most showed discipline strength and meningeal tail sign appeared. Conclusion MRI scan combined with enhanced scan can improve accuracy rate of spinal meningioma and is an important examination. It has significant clinic value.