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Chinese Journal of Medical Ultrasound (Electronic Edition) >
2018 , Vol. 15 >Issue 04: 281 - 286
DOI: https://doi.org/10.3877/cma.j.issn.1672-6448.2018.04.009
Comparison of radiofrequency ablation and operation for overmuch residual thyroid removal before 131I treatment in differentiated thyroid cancer
Received date: 2018-01-30
Online published: 2018-04-01
The aim of this study is to compare efficacy and safety of radiofrequency ablation versus operation for overmuch residual thyroid removal before 131I treatment in differentiated thyroid cancer.
Clinical data from 52 newly diagnosed differentiated thyroid cancer patients who treated with operation at Zhejiang Cancer Hospital from January 2014 to December 2016 were retrospectively reviewed. The serum TSH was less than 30 IU/ml, and 99mTc thyroid imaging and ultrasound examination showed obviously residual thyroid tissue after 3 weeks of low iodine diet and discontinuation of euthyrox. Of these patients, 28 cases received radiofrequency, while 24 cases treated with operation. The operation time, the waiting time of 131I treatment and the efficacy of residual thyroid tissue clearance were compared between two groups. At the same time, the complications of the two groups were observed.
The mean values of operation time between two groups were (22.14±7.12) min and (55.45±13.56) min, respectively, and there was a statistically significant difference (t=11.822, P<0.05). The mean waiting time of 131I treatment in patients received radiofrequency was (9.40±4.14) days, while the mean waiting time in operation group was (13.53±4.55) days, and the differences were statistically significant (t=9.144, P<0.05). In RFA group, hoarseness, temporary parathyroid injury and permanent parathyroid injury were observed in 2 cases, 0 case and 1 case, respectively. While there were 2 cases, 3 cases and 0 case in the operative group. There were no significant differences between the two groups (all P>0.05). 85.7% (24/28) of patients in RFA group and 91.7% (22/24) in operation group showed favorable efficacy of residual thyroid removal, and there were no significant differences between the two groups (P>0.05).
Compared with operation, postsurgical residual thyroid tissue removal in differentiated thyroid cancer by ultrasound guided radiofrequency ablation by ultrasound guided is safe and effective, and provides a new minimally invasive treatment for patients who are reluctant to undergo surgery.
Key words： Thyroid neoplasms; Ablation techniques; Ultrasonography
Kaiyuan Shi , Dong Xu , Chuanming Zheng , Bin Long , Xiangdong You . Comparison of radiofrequency ablation and operation for overmuch residual thyroid removal before 131I treatment in differentiated thyroid cancer[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2018 , 15(04) : 281 -286 . DOI: 10.3877/cma.j.issn.1672-6448.2018.04.009
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