（愚人节的礼物）消失的椎体？April Fools' cases.

Age: 20

Gender: Female

Presentation: Excessive cervical range of motion, and mild intermittent long tract symptoms that are positional in nature.

女，20岁；颈椎活动度过大。

 April Fools' Case 2013 ：This case is fictitious and the described condition is not a real diagnosis. The images in this case have been digitally altered. The case was originally published as one of Radiopaedia.org's April Fools' cases. 

视频为作者PS过程：