甲状腺功能减退可由下丘脑、垂体或甲状腺病变引起。三者中以甲状腺性甲减(下称甲减)最为多见,而且诊断不易,我院统计误诊率高达45.8％。为引起临床工作者的重视,特作介绍。甲减是从无症状至有明显临床表现的缓慢演变过程,按Evered意见可分为亚临床型、轻型与重型。 Hypothyroidism can be caused by hypothalamic, pituitary or thyroid lesions. The three thyroid hypothyroidism (hereinafter referred to as hypothyroidism) is the most common, and the diagnosis is not easy, our hospital misdiagnosis rate as high as 45.8%. To attract the attention of clinicians, special presentation. Hypothyroidism is a slow evolution from asymptomatic to overt clinical manifestations. According to Evered’s opinion, it can be divided into sub-clinical type, light type and heavy type.