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目的了解喉返神经变异的情况,预防甲状腺手术中变异喉返神经的损伤。方法分析甲状腺手术中发现变异喉返神经的情况并复习有关文献。结果823例甲状腺手术中暴露725条喉返神经,喉返神经不返1例,喉返神经发出分支呈分叉状入喉1例,有1例神经沿着气管壁弧形爬行后入喉,变异率为0.41%。结论喉返神经变异少见,手术中容易损伤,了解其变异情况有助于甲状腺手术时预防变异喉返神经的损伤。
Objective To understand the variation of recurrent laryngeal nerve and prevent the damage of recurrent laryngeal nerve in thyroid surgery. Methods Thyroid surgery to identify the variation of recurrent laryngeal nerve and review the literature. Results 823 cases of thyroid surgery exposed 725 laryngeal nerve, recurrent laryngeal nerve did not return in 1 case, the recurrent laryngeal nerve branch was bifurcated into the larynx in 1 case, 1 case of nerve along the tracheal wall arc crawling into the larynx, The mutation rate was 0.41%. Conclusions The recurrent laryngeal nerve is rare and easily damaged during operation. It is helpful to prevent the variation of recurrent laryngeal nerve injury during thyroid surgery.