成人原发性甲状腺功能减退(甲减)好发于中年以上的女性,男女比例约1:5～1:10,因起病缓慢,早期缺乏特异性症状,容易误诊和漏诊。1临床资料我院自2002年至2006年,确诊原发性甲状腺功能减退患者62例,曾误诊为其他疾病20例,误诊率32．3%。其中男4例,女16例,年龄14～72岁。误诊时间2个月～3年。 Adult primary hypothyroidism (hypothyroidism) occurs in middle-aged women over the age of men to women ratio of about 1: 5 ~ 1:10, due to a slow onset, the early lack of specific symptoms, easily misdiagnosed and missed diagnosis. 1 clinical data in our hospital from 2002 to 2006, 62 patients diagnosed with primary hypothyroidism, had misdiagnosed as 20 other cases of misdiagnosis rate of 32.3%. Including 4 males and 16 females, aged 14 to 72 years. Misdiagnosis time 2 months to 3 years.