图26.2轴位(a)和矢状位(b) t2加权MRI和初次MRI后2年（c, d） L5-S1椎间盘突出的自发消退（箭头）Fig. 26.2 Spontaneous regression of an L5-S1 disk herniation (arrows) as seen on axial (a) and sagittal (b) T2-weighted MRI and 2 years after the initial MRI (c, d)

图26.2轴位(a)和矢状位(b) t2加权MRI和初次MRI后2年（c, d） L5-S1椎间盘突出的自发消退（箭头）
Fig. 26.2 Spontaneous regression of an L5-S1 disk herniation (arrows) as seen on axial (a) and sagittal (b) T2-weighted MRI and 2 years after the initial MRI (c, d)

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