甲状腺癌是头颈部最常见的恶性肿瘤,其中以分化型甲状腺癌最为多见,约占90%。分化型甲状腺癌淋巴结转移的发生率较高,文献[1]报道高达50%～75%。分化型甲状腺癌颈淋巴结清扫术式的选择是外科医师常常遇到的问题。1颈淋巴结的解剖分区1991年美国耳鼻喉头颈外科协会建议颈部淋巴 Thyroid cancer is the most common head and neck cancer, of which the most common form of differentiated thyroid cancer, accounting for about 90%. The incidence of lymph node metastasis of differentiated thyroid cancer is high, the literature [1] reported up to 50% to 75%. The choice of cervical lymph node dissection for differentiated thyroid cancer is a common problem for surgeons. Anatomical Division of Cervical Lymph Nodes 1991 The American Society of Otolaryngology and Head and Neck Surgery recommends cervical lymph nodes