患者,女性,48岁。颈部肿块8年余,逐渐增大,起始时无不适感觉。近半年来增长较快,活动时有闷胀感。体检:颈部不对称,右侧甲状腺增大,触及一肿块,4×4cm大小,质中,表面尚光滑,边界清楚,随吞咽上、下活动,压之无痛。系统检查及化验室检查结果均无异常发现。临床诊断:甲状腺腺瘤。术中发现,左侧甲状腺结节状肿块,4.5×3×3cm~3,有部分包膜,与周边组织轻度粘连,行甲状腺癌根治术。病理检查:腺叶内肿块,3.5×3×3cm~3大,界清,切面呈淡黄色,来见出血坏死,部分区有纤维化。镜检瘤细胞呈滤泡状结构,腔内空虚,偶见少量淡粉染的同质状物。瘤细胞体积较大,胞浆透明,核 Patient, female, 48 years old. The neck mass was more than 8 years old and gradually increased. There was no discomfort at the beginning. In the past six months, the growth has been rapid. Physical examination: neck asymmetry, right thyroid enlargement, touching a mass, 4 × 4cm size, qualitative, the surface is still smooth, the boundary is clear, with the activities of swallowing up and down, the pressure is painless. No abnormal findings were found in the system examination and laboratory examination results. Clinical diagnosis: thyroid adenoma. During operation, the left thyroid nodular mass, 4.5×3×3cm~3, was partially enveloped and was slightly adherent to the surrounding tissue and was subjected to radical thyroid cancer surgery. Pathological examination: gland mass within the leaf, 3.5 × 3 × 3cm ~ 3, clear boundary, cut surface was pale yellow, to see hemorrhage and necrosis, some areas have fibrosis. Microscopic examination of the tumor cells showed a follicular structure, cavity empty, occasionally a small amount of pale powder dyed homogenous material. Tumor cells are larger, the cytoplasm is transparent, nuclear