甲状腺结节是一种临床常见病,发病率很高,临床上可触诊的甲状腺结节约为4%~7%,其中女性约为6.4%,男性约为1.5%[1]。如采用高分辨率超声检查,人群甲状腺结节罹患率约为19%~67%,其中约5%~15%的结节为恶性结节[2]。2010年我国首次在十大城市进行了社区居民的甲状腺疾病流行病学调查,结果亦表明甲状腺结节的患病率达 Thyroid nodules are a common clinical disease with a high incidence of clinically palpable thyroid nodules of about 4% to 7%, of which about 6.4% of women and about 1.5% of men [1]. Such as the use of high-resolution ultrasound examination, the crowd thyroid nodules attack rate of about 19% to 67%, of which about 5% to 15% of nodules are malignant nodules [2]. In 2010, the epidemiological investigation of thyroid disease in community residents was conducted for the first time in 10 cities in China. The results also showed that the prevalence of thyroid nodules reached