患者，女性，53岁。发现右颈前肿块伴疼痛1个月就医。发病以来无消瘦、惧热、心悸及易激动等症状，无吞咽困难，否认结核史。体检：体温36．8℃，脉搏74次／分，血压12．0／9．0kPa。于甲状腺右叶价及一2.5cm×2．3cm×2．0cm肿块，质地较硬，轻压痛，周界尚清楚，可随吞咽上下 Patient, female, 53 years old. Found a right neck mass with pain 1 month before treatment. Since the onset of no weight loss, fear of heat, palpitations and irritability and other symptoms, no swallowing difficulties, denied a history of tuberculosis. Physical examination: body temperature 36.8 ℃, pulse 74 beats / min, blood pressure 12.0 / 9.0kPa. In the right thyroid gland price and a 2.5cm × 2.3cm × 2.0cm mass, texture hard, light tenderness, the perimeter is still clear, with swallowing up and down