甲状腺癌是一组异质性肿瘤 ,其在生物学行为 ,组织学表现及对治疗的反应等方面都有明显差异。乳头状癌和滤泡状癌分化程度好 ,肿瘤细胞内有TSH受体 ,对垂体分泌的TSH有一定依赖性 ,阻断TSH的产生 ,就有可能抑制乳头状癌和滤泡状癌的生长和发展。髓样癌是发生于甲状腺滤泡旁细胞 Thyroid cancer is a group of heterogeneous tumors, which have significant differences in biological behavior, histological findings and response to treatment. Papillary carcinoma and follicular carcinoma with a good degree of differentiation, TSH receptors within the tumor cells, TSH secretion of the pituitary has a certain dependence, blocking the production of TSH, it is possible to inhibit the growth of papillary and follicular carcinoma And development. Medullary carcinoma occurs in thyroid follicles