甲状腺癌是甲状腺疾病中比较常见的肿瘤,生长缓慢,早期即可发生淋巴结转移,但预后较好,经手术治疗后生存率高,甲状腺癌伴有淋巴结转移对其预后及复发的影响存在争议。目前对明确有颈淋巴结转移的甲状腺癌(cN+)行颈淋巴结清扫已成共识,但对于临床检查及影像学检查(颈部超声 Thyroid cancer is a relatively common tumor in thyroid disease. It grows slowly, and lymph node metastasis occurs early. However, the prognosis is good. Survival rate is high after thyroidectomy. The impact of thyroid cancer with lymph node metastasis on the prognosis and recurrence is controversial. At present there is a consensus on cervical lymph node dissection of thyroid carcinoma (cN +) that has definite cervical lymph node metastasis, but for clinical examinations and imaging studies (cervical ultrasonography