甲状腺机能亢进症常有家族史,T_3型甲状腺机能亢进症(简称T_3型甲亢)是甲亢的特殊类型,可有遗传现象。国内多家系、多例T_3型甲亢报道尚少,现将我们所遇2家系三代6例报道如下。家族A:先证者女性,44岁。感胸闷、心悸、急躁、怕热、多汗、食欲亢进、体重减轻3年余。体检:BP17.3/9.3kPa。轻度突眼,甲状腺Ⅱ度肿大,两手震颤。心率107次/分,律齐,心尖区可闻 Hyperthyroidism often have a family history, T_3 hyperthyroidism (referred to as T_3 hyperthyroidism) is a special type of hyperthyroidism, may have genetic phenomena. Many domestic departments, many cases of T_3 type hyperthyroidism is still reported, now we encounter two families six generations reported three cases are as follows. Family A: proband Female, 44 years old. Chest tightness, palpitations, impatience, fear of heat, sweating, appetite hyperthyroidism, weight loss more than 3 years. Physical examination: BP17.3 / 9.3kPa. Mild exophthalmos, thyroid Ⅱ degree enlargement, both tremor. Heart rate 107 beats / min, law Qi, apex area can be heard