在以往对严重地甲肿病区(扎伊尔北部的乌班吉)的甲状腺功能调查中观察到,在不满7岁的205个儿童中,有49%的儿童血清总甲状腺素浓度<77nmol/L,32%的儿童血清促甲状腺素浓度>10mU/L,而仅有9%的儿童血清总三碘甲腺原氨酸浓度减少(<1.69nmol/L)。由此产生一个问题,是否 T_4和 TSH 变化值是甲低的真正 In a previous thyroid function survey of the severely bereaved ward in Ubanggi, northern Zaire, 49% of 205 children under the age of 7 were found to have serum total thyroxine concentrations <77 nmol / L, Serum thyroxine concentrations> 10 mU / L were found in 32% of the children, whereas serum total triiodothyronine concentrations were reduced (<1.69 nmol / L) in only 9% of children. The question arises as to whether T_4 and TSH change values ​​are true of a hypothyroidism