椎管内神经鞘瘤的MRI分析

Medical Journal of Qilu(2007)

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Abstract
目的探讨椎管内神经鞘瘤的MRI诊断。方法回顾性分析17例经手术病理证实的椎管内神经鞘瘤病人的MRI资料,分析其特点。结果椎管内神经鞘瘤T1WI为等或(和)低信号,T2WI多表现长T2及更长T2混杂信号,可伴有完整或不完整的包膜,增强扫描明显不均匀强化或环形强化。结论MRI是椎管内神经鞘瘤的最好的影像学诊断方法,椎管内神经鞘瘤的部位、形态、T2WI信号及增强后的表现有一定特征,对多数肿瘤可作出准确定性诊断。
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Key words
spinal canal,neurilemmoma,magnetic resonance imaging
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