Methods 7 cases were undergone removal of nucleus pulposus with small incision and fenestration, and excision of the most of the cyst wall and plugging the communicating hole with a block of muscle.

• 方法采取小切口开窗潜行减压髓核摘除及大部分切除、肌肉填塞交通孔处理骶管囊肿7例，并对其影像学检查方法及治疗方法进行分析。