研究单位：[1]Huazhong University of Science and Technology[2]Wuhan Union Hospital,China[3]West China Hospital[4]The First Affiliated Hospital of Kunming Medical College[5]Sir Run Run Shaw Hospital[6]China-Japan Union Hospital,Jilin University[7]Chinese PLA General Hospital[8]Tongji Hospital[9]First Hospital of China Medical University[10]Gansu Cancer Hospital
研究目的：
To find out the gap between real-world clinical practice and guideline recommendations in initial management of DTC patients
To observe the characteristics of patients who achieved and did not achieve TSH target value after five year follow-up
To assess response to initial therapy in patients who undergo total or neartotal thyroidectomy and RAI remnant ablation after five year follow-up (according to an modified dynamic risk stratification system)
To observe the recurrence status after five year follow-up
