Results In all patients, bilateral and symmetrical lesions were seen in the cerebral and cerebellar white-matter, in the internal capsule and callosum.Elliptical lesions in pons were found in 2 cases.

• 结果全部患者幕上半球脑白质、小脑半球、内囊后肢及膝部、胼胝体压部及膝部均见双侧、对称性异常改变，2例患者桥脑中央见椭圆形病变。