Congenital clefts and other developmental anomalies of the atlas vertebra are rarely encountered. They are incidental findings discovered while investigating the cervical spine following trauma. Differentiation of developmental variants of the atlas from the burst fracture of Jefferson is essential to prevent unnecessary medical intervention.

中文翻译：

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地图集的中线裂口：诊断难题。

很少遇到先天性裂痕和寰椎的其他发育异常。他们是在调查外伤后的颈椎时发现的偶然发现。将图集的发育变异与杰斐逊爆裂性骨折区分开，对于防止不必要的医学干预至关重要。