Liupanshan sudden tooth laevis as one of the items rare animals unique to China.
2
枢椎齿状突骨折在颈椎骨折中很常见,但此前只有6例由齿突骨折导致的BSS被报道。
Fracture of the odontoid of the axis is a common injury in the cervical spine but only 6 BSS cases caused by odontoid fractures have been published previously.
3
外伤导致齿突尖缺血性坏死超过数月或数年。
Injury results in avascular necrosis of the odontoid process over a period of months or years.