小儿环枢椎脱位(不合并齿状突骨折或先天性不融合),经保守治疗,多数可完全恢复,不出现不稳定。本组31例,最小8个月,最大13岁,平均5.4岁。其中跌伤26例,其它原因5例。就诊时间平均8d。多数患儿就诊时局部有轻触痛,活动不便或受限。5例有肌力减弱,4例感觉迟钝;1例有Brown-Se-quare 综合征。X 线片可见颈椎的三“C”曲线(颈椎体 Axis in children with axial dislocation (without odontoid fractures or congenital non-fusion), conservative treatment, most can be completely restored, does not appear unstable. The group of 31 cases, a minimum of 8 months, maximum 13 years old, average 5.4 years. Among them, 26 cases fell, other 5 cases. The average treatment time is 8d. Most children have tender touch when the local treatment, inconvenience or limited mobility. Five patients had weakened muscle strength and four had unresponsiveness. One patient had Brown-Seququel syndrome. X-ray visible cervical three “C ” curve (cervical vertebra