原发于甲状腺的鳞状细胞癌少见,占甲状腺恶性肿瘤的1.1％～1.0％,而鳞癌和腺癌混合者罕见,现将我们所见二例报告如下: 例1:女,44岁,颈部增粗十余年,无不适。3月前发现左下颈外侧结节状肿块,在当地医院穿刺细胞学报告“转移癌”而转入我院治疗。体检:双侧甲状腺可扪及各约1.5cm之结节,硬,光滑,随后咽上下活动。左上颈可及4×3cm Primary squamous cell carcinoma of the thyroid gland is rare, accounting for 1.1% to 1.0% of thyroid malignancies, and squamous cell carcinoma and adenocarcinoma are rare. Now we have seen two cases reported as follows: Example 1: Female, 44 years old, The neck has been thick for more than ten years without discomfort. Before March, the left lower neck lateral nodular mass was found and was transferred to our hospital for treatment at the local hospital. Physical examination: The bilateral thyroid glands can be paralyzed with nodules of about 1.5cm each, hard and smooth, and then they can move up and down. Left upper neck and 4x3cm