objective:to investigate the anatomic relationship between prevertebral fascia and carotid sheath and to guarantee the safety of the common carotid artery in anterior cervical approach.
目的:研究颈动脉鞘和椎前筋膜的解剖关系,提高颈椎前路手术中对颈总动脉的安全性。
result of autopsy indicated:sympathic trunk directly divides branches into prevertebral fascia and anterior longitudinal ligament.