颈下部则熟悉喉返神经与甲状腺下动脉的关系。
We must know the relation about the recurrent laryngeal nerve and the inferior thyroid artery.
结论甲状腺手术识别喉返神经的五种解剖标志中，以甲状软骨下角尖(或环甲关节)和甲状腺悬韧带较可靠，其次为甲状腺下极、甲状腺下动脉和气管食管沟。
Conclusion the inferior horn of thyroid cartilage and the suspensory ligament of thyroid gland are most reliable as the anatomical landmarks for recognizing the recurrent laryngeal nerve.
结果1。从介入治疗的角度得到了甲状腺上、下动脉起点位置及方位，非腺体支与腺体血管内径、长度、角度等的解剖及影像统计学资料。
Results 1. The anatomical and imaging data of the location, direction, inner diameters, length and angles of thyroid arteries were gained for the sake of interventional therapy.
结果1。从介入治疗的角度得到了甲状腺上、下动脉起点位置及方位，非腺体支与腺体血管内径、长度、角度等的解剖及影像统计学资料。
Results 1. The anatomical and imaging data of the location, direction, inner diameters, length and angles of thyroid arteries were gained for the sake of interventional therapy.
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