甲状腺机能亢进症(以下简称甲亢),可发生于任何年龄,以20～40岁女性较多。临床表现复杂,易造成误诊。现将误诊病案举例如下:【例1】因精神神经症状突出而误诊为神经衰弱患者女性,教师,28岁,未婚。半年来记忆力减退,易疲劳,注意力不集中,情绪波动较大,遇事易激动,经常与学生争吵,事后又懊悔不已,有时潸然泪下,失眠逐渐加剧,甚至彻夜难眠。病后月经紊乱,饮食一般。曾5次就诊于公社、县及市医院,均诊断为“神经衰弱”。经相应治疗后症状有增无减。于病后7个月出现心悸、多汗及手指震颤,严重时难以握笔写字而再度就诊。体检发现突眼,甲状腺Ⅱ度肿大,心率速,心尖区第一心音亢进及Ⅱ级收缩期杂音,手指震颤,手心微热多汗,基础代谢测定为+46%,诊断为甲亢, Hyperthyroidism (hereinafter referred to as hyperthyroidism) can occur at any age to 20 to 40-year-old female more. Complex clinical manifestations, easily lead to misdiagnosis. Now misdiagnosed as an example: [Example 1] due to prominent neurological symptoms misdiagnosed as neurasthenic patients Female, teacher, 28 years old, unmarried. Memory loss in the past six months, fatigue, inability to concentrate, mood swings, case of irritability, often quarrel with students, and then endless remorse, and sometimes tears, insomnia gradually increased, and even sleepless nights. After the disease menstrual disorders, diet in general. Had five visits to the commune, county and city hospitals, were diagnosed as “neurasthenia.” After the appropriate treatment of unabated symptoms. 7 months after the onset of heart palpitations, sweating and finger tremor, it is difficult to hold a pen in serious writing and treatment again. Physical examination found that exophthalmos, thyroid Ⅱ degree swollen, heart rate, apical first heart sound hyperthyroidism and Ⅱ systolic murmur, finger tremor, palms micro-hyperhidrosis, basal metabolism was measured as +46%, diagnosed as hyperthyroidism,