几十年的实践证明,甲状腺吸取碘~(131)功能测定对甲状腺功能亢进的诊断是一种安全、敏感、简便、可靠和无痛苦的方法,绝大部分的甲状腺功能亢进病者可由此得出诊断。但甲状腺功能正常者与轻度亢进者的甲状腺吸碘~(131)率存在着交叠现象,某些临床上并无亢进表现的病者也可出现高的吸碘~(131)率,因而影响到临床 Decades of practice have proved that the thyroid uptake of iodine 131I is a safe, sensitive, simple, reliable and painless method for the diagnosis of hyperthyroidism. The vast majority of hyperthyroid patients Out of diagnosis. However, patients with normal thyroid function and mild hyperthyroidism have thyroid iodine 131 overlap rate. Some patients with clinically no hyperthyroidism also have high iodine uptake rate (131), thus Affect the clinical