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目的比较3.0 T MRI 3种扫描序列对颈神经根成像的应用价值。材料与方法收集临床需要扫描颈椎MRI患者37例,均行常规序列、三维双回波稳态(three-dimensional double-echo steady state,3D-DESS)序列、多回波数据图像重合(multi-echo data image combination,MEDIC)序列、可变反转角三维快速自旋回波(3D sampling perfection with application optimized contrasts us