There are four general types of thyroid cancer: papillary (including mixed papillary-follicular), follicular, medullary (solid, with amyloid struma), and undifferentiated and anaplastic (rare).

• 甲状腺癌一般有4种类型：乳头状(包括乳头-滤泡混合型癌)、滤泡状、髓样(实体，伴淀粉样甲状腺肿)和未分化及间变细胞癌（罕见）。