Objective To explore the histomorphologic features,differential diagnosis and relationship between nodular goiter with papillary hyperplasia and papillary thyroid carcinomas.

• 目的:探讨结节性甲状腺肿伴乳头状增生与甲状腺乳头状癌的组织形态学特点、两者间的关系及鉴别诊断。