Symmetric long T_1 and T_2 signals were found in central pontine region,lenticular nucleus,caudate nucleus,and thalamus. CE MRI showed no apparent enhanced lesions.

• 桥脑中央部、双侧豆状核、尾状核、丘脑等部位出现对称性长T1、T2 信号 ,增强MRI无明显强化反应。