多发性硬化12例的MRI表现分析

目的 探讨MRI对多发性硬化（MS）的诊断价值及评价其在疗效中的作用。方法 分析符合临床诊断标准的多发性硬化患12例MRI表现。结果 本组病例在侧脑室旁均可见MS病灶，其长轴与侧脑室壁垂直，其中8例病灶出现在两侧半卵圆中心，呈较对称性分布，2例在脑干，1例在胼胝体，1例在颈髓。病灶在T1WI呈低或等信号，T2WI呈高信号。注射GD－DTPA活动性病灶强化。复查病例病灶较前缩小或数目减少。结论 MRI对多发性硬化的诊断及疗效评价有重要的价值。

Imaging Diagnosis of MRI in multiple sclerosis:A report of 12 cases

Objective To investigate the value of MRI imaging for diagnosis of multiple sclerosis(MS) and evaluate the therapeutic effect of MS.Methods The MRI imaging of 12 cases of multiple sclerosis was analysed.Results MS speckles in all cases were distributed on the side of lateral ventricles and the long axle of speckles were verticale with lateral ventricle wall.MS speckles were found in both simiaval center slight symmetrically in 8 cases,and in the brain stem in 2 cases,spinal cord of necksection and corpus callosum in 1 case respectively.The MR imaging features of MS speckles were hypointense or equally intense on T1WI signal and hyperintense on T2WI signal.After intravenous injection of Gd DTPA,activity pathological areas display enhancement patch.Further recheck showed that MS speckles were contracted and the sum of them decreased.Conclusion The finging of MR imaging show important value for diagnosing and evaluating the therapeutic effect of MS.