A 47 years old female presented with a neck mass. Fine needle aspiration showed atypical cells but not diagnostic. Thyroidectomy was performed. A section of representative thyroid lesion is provided.

• 47岁女患，颈部肿物。针吸活检示非典型细胞,但不具诊断意义。行甲状腺切除术。切片示具代表性的甲状腺病变。