后移的

Objective To study the influence of BSSRO on mandible ramous and temporomandibular joint.

目的观察双侧下颌骨矢状劈开截骨术(BSSRO)后移下颌骨对下颌升支及颞下颌关节的影响。

Resluts All the 14 cases showed clivus projecting intracranial.posterior displacement of Odontoid Process were found in 3 cases,with 1 case of Atlanto-occipita fusion malformation.

14MR矢状位像均显示斜坡向颅内陷入,3见齿状突后移,1合并寰枕融合畸形,14均清晰地显示了延颈髓的形态及与小脑扁桃体的关系。