目的：研究椎动脉走行变异患者推动脉血流动力学的超声诊断价会值。

Objective To evaluate the diagnostic value of color Doppler flow dynamic changes in patients with vertebral artery course variation.

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结论：彩色多普勒超声对椎动脉走行变异是一种理想的无创性诊断方法。

Conclusion: Color Doppler flow imaging is a useful noninvasive method for the diagnosis of vertebral artery course variation.

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结论：熟悉喉返神经的解剖和变异，行甲状腺切除术时解剖显露喉返神经可以降低喉返神经损伤的发生率。

Conclusions: the familiarity of the anatomy and variation of RLN, and the exposure of RLN in thyroid operation, can reduce the rate of the RLN injury.

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