颈部不仅是头颈部恶性肿瘤的主要淋巴结转移部位,而且也是胸腹部肿瘤的终末淋巴结转移站。因此,观察颈部淋巴结的有无并正确判断其是否为转移,对肿瘤分期、治疗方案的选择及预后评估均有很大影响。但由于颈部解剖结构复杂,临床所依靠的触诊对有无淋巴结转移进行判断的假阳性率 The neck is not only the main lymph node metastasis of head and neck cancer, but also the terminal lymph node metastasis of thoracoabdominal tumors. Therefore, to observe the presence of cervical lymph nodes and correctly determine whether it is metastasis, the tumor staging, treatment options and prognosis have a great impact. However, due to the complicated anatomy of the neck, the false positive rate of palpation depends on the presence or absence of lymph node metastasis