甲状腺癌占人类所有恶性肿瘤的1%,是所有内分泌器官中恶性肿瘤发病率最高的,其中乳头状癌最为常见,大约占60%~70%[1],主要发生在青、中年,女性好发,女∶男为2~4∶1。甲状腺癌分子生物学研究在过去十年取得重要进展,人们对其发病机制有了新的认识,也促进了新的肿瘤分类的建立,现 Thyroid cancer accounts for 1% of all human malignancies, and is the highest incidence of malignant tumors in all endocrine organs, of which papillary carcinoma is the most common, accounting for about 60% to 70% [1], mainly occurs in young, middle-aged, Female hair, women: men 2 ~ 4: 1. Thyroid cancer molecular biology research has made important progress in the past decade, people have a new understanding of its pathogenesis, but also promoted the establishment of a new classification of the tumor, is