Conclusion A good command of the neck anatomy and the variation of RLN as well as careful operation and methods to expose RLN will provide the key to prevent the RLN injury in thyroid surgery.

• 结论熟悉喉返神经的正常解剖和变异,仔细操作,灵活掌握显露喉返神经的方法和指征,是预防喉返神经损伤的关键。