中老年人甲亢起因隐匿 ,症状可不典型 ,易造成误诊或漏诊。我院内科 1997年 3月至 1999年 6月收治误漏诊的中老年甲亢 15例 ,现报告如下。1　临床资料1.1　一般资料　本组病例男 9例 ,女 6例 ,年龄 5 0～ 78岁 ,其中 6 0岁以上 11例 (73 .33 % ) ,病程 9个月～ 4年。1.2　临床 Hyperthyroidism in the elderly hidden, the symptoms can be typical, easily lead to misdiagnosis or missed diagnosis. Our hospital internal medicine from March 1997 to June 1999 admitted to misdiagnosis of middle-aged and elderly hyperthyroidism in 15 cases, are as follows. 1 Clinical data 1.1 General Information The group of 9 males and 6 females, aged 5 0 to 78 years old, of which 11 cases were over 6 years old (73.33%), duration of 9 months to 4 years. 1.2 Clinical