Brain CT showed that 3 cases were infarcted in the single basilar part of pons cerebri,infarction in 6 cases occurred in the both basilar parts of pons cerebri,1 case had pontine hemorrhage in the both basilar part.

• 头颅CT示 3例单侧桥脑基底部梗死 ,6例为双侧桥脑基底部梗死 ,1例为双侧桥脑基底部出血。