甲亢是指血液循环中甲状腺激素过多所造成的一种综合征。造成甲亢的疾病很多,主要以 Graves(弥漫性甲状腺肿伴机能亢进)病最常见(约占85%以上)。此病是一种自身免疫性疾病,具有明显的遗传易感性。病人家属中15%的人也发生此病,50%的人可检测出甲状腺自身抗体。临床上以高代谢、弥漫性甲状腺肿大和突眼为三大特征。一般以高代谢、心血管和神经系统等表现较为突出。最常见的症状有神经质,易激动、多语多动、手抖、多食易饥、体重下降、 Hyperthyroidism refers to a syndrome caused by excessive thyroid hormone in the blood circulation. Hyperthyroidism caused by many diseases, mainly Graves (diffuse goiter with hyperthyroidism) disease is the most common (accounting for more than 85%). The disease is an autoimmune disease with obvious genetic predisposition. Fifty-five percent of patients’ families also develop the disease, and 50% detect thyroid autoantibodies. Clinically with high metabolism, diffuse goiter and exophthalmos for the three major characteristics. Generally high metabolism, cardiovascular and nervous system performance is more prominent. The most common symptoms are nervous, agile, hyperactivity, hand trembling, eating more easily hungry, weight loss,