1　病历简介女 ,44岁。因发现右侧颈部肿物一月余入院。无发热疼痛 ,无呼吸困难 ,无声嘶 ,无饮水呛咳及吞咽困难 ,无多食多汗 ,无体重减轻 ,无长期服药史 ,无放射线及毒物接触史 ,生活居住于非缺碘地区 ,无特殊饮食嗜好 ,家族无类似疾病史。检查 :体形肥胖 ,气管居中 ,无颈静脉 1 medical history profile female, 44 years old. The right neck mass was admitted to the hospital for more than one month. No fever, no pain, no difficulty in breathing, no noise, no drinking water, cough and difficulty swallowing, no food and sweat, no weight loss, no history of long-term medication, no history of exposure to radiation and toxic substances, living in non-iodine-deficient areas, no Special dietary habits, family history of similar diseases. Check: body fat, central trachea, no jugular vein