甲状腺结节性疾病非常普遍,其中绝大多数是良性结节,5%的甲状腺肿块为甲状腺癌。细针穿刺细胞学活检(FNAB)是初步诊断甲状腺良恶性结节最关键的一项检查。但是,大量的案例证明,甲状腺结节的良恶性诊断仍然是临床病理诊断中不可忽视的难题。高达15%的甲状腺癌病例最终不能通过FNAB诊断出来。这主要是因为有 Thyroid nodular disease is very common, the vast majority of them are benign nodules, 5% of the thyroid mass is thyroid cancer. Fine needle aspiration cytology biopsy (FNAB) is the most critical diagnosis of benign and malignant thyroid nodules. However, a large number of cases prove that benign and malignant thyroid nodules are still the diagnosis of clinical pathological diagnosis can not be ignored. Up to 15% of thyroid cancer cases can not finally be diagnosed by FNAB. This is mainly because there is