Mid-line shift(81%), lateral cerebral ventricle allaxis due to be compressed(67%), plica of cerebral convolution gather together and ingression(89%) and grey matter of brain ingression(78%) were seen in the cases.

• 并中线结构移位占81%25,侧脑室受压变形占67%25,脑回皱襞聚拢内移占89%25,脑灰白质内移占78%25。