Methods One hundred and twenty-seven cases which showed the symptoms of the Chiari 's malformation associated with syringomyelia were confirmed by MRI . The hernia of tonsilla cerebelli was removed and the dissepiment that located in the mouth of the central canal of spinal cord was opened .

方法127例Chiari畸形并脊髓空洞经MRI确诊，采用 小脑 扁桃体 下疝切除，并脊髓中央管开口隔膜切开术。